Dn of gingerbread about the use of potassium salts. Dmitry Nikolaevich Pryanishnikov: biography

Owls. scientist, specialist in the field of agrochemistry, plant physiology and crop production, acad. (since 1929, corresponding member since 1913), active. member VASKHHIL (since 1935). Hero of Socialist Labor (1945). Student of K. A. Timiryazev. Born in Kyakhta (former Transbaikal region), received his secondary education in Irkutsk. gymnasium. In 1887 he graduated from Moscow. un-t, and in 1889 - Petrovsky S.-x. Academy (now the Moscow Agricultural Academy named after K. A. Timiryazev), in which, according to K. A. Timiryazev and other scientists, was left to prepare for scientific activity. All further work P. was inextricably linked with this academy, where from 1895 (until the end of his life) he was prof. At the same time (1891-1931) he lectured at Moscow. universities and worked in a number of institutes organized with his active participation (in the Institute of Fertilizers, later transformed into the Scientific Institute of Fertilizers and Insectofungicides, in the All-Union Institute of Fertilizers, Agrotechnics and Agrosoil Science, in the Central Institute of Sugar Industry, etc.] Along with this, he took an active part in the work of the State Planning Commission and the Committee for Chemicalization of the National Industry of the USSR.

Main P.'s research is devoted to questions of plant nutrition and the use of artificial fertilizers in agriculture. Especially known are his works on the study of nitrogenous nutrition and the metabolism of nitrogenous substances in the plant organism. P. gave a general scheme for the transformation of nitrogenous substances in plants, assigning an exceptional role to ammonia as the initial and final product in this process. He explained the role of asparagine in the plant organism and refuted the prevailing view of this substance as the primary product of protein breakdown; showed that asparagine is synthesized from ammonia, which is formed in the plant at the final stage of protein breakdown or enters it from the outside. Drawing an analogy between the role of asparagine in plant and urea in animal organisms (assuming that the role of asparagine is to neutralize ammonia, which is harmful in high concentrations for both plant and animal organisms), P. revealed common features of the metabolism of nitrogenous substances in plant and animal world, which was of great importance for the knowledge of the laws of evolution of living organisms. At the same time, these studies provided a scientific rationale for the use of ammonium salts in the village. x-ve and for their wide production. Under his leadership and with direct participation, such important issues in the field of plant nutrition and the use of fertilizers as the assessment of domestic phosphorites as a direct source of phosphorus for plants and as a raw material for industry were developed. production of superphosphate. They compiled a physiological characteristics of domestic potash salts, studied various types of nitrogen and phosphorus fertilizers, issues of liming acidic soils, gypsum of solonetzes. In addition, P. dealt with the problem of green fertilizer (green manure), the use of peat, manure, and other organic. fertilizers. He gave a rationale for the methods of plant nutrition and the introduction of various types of fertilizer, etc. He proposed new methods for studying plant nutrition: the so-called method. isolated nutrition, sterile cultures, fluid solutions, as well as various methods and techniques for analyzing soils and plants.

Along with research work P. paid great attention to pedagogical. activities. In 1896 he introduced into practice. classes of students staging vegetation experiments, did a lot to improve the educational work of Moscow. s.-x. institute, where in 1907-13 he was deputy dir. on the educational side. Author of many reprinted textbooks ("Private agriculture", 1898, 8th ed.; 1931; "Agrochemistry", 1934, 3rd ed., 1940, etc.); he created a national school of agricultural chemists. The work of P., as well as the work of his students and employees, contributed to the implementation of various measures for the chemicalization of agriculture in the USSR - the widespread introduction of mineral fertilizers in agriculture. practice and the creation of a powerful fertilizer industry. In 1946, the Academy of Sciences of the USSR for the work "Nitrogen in the life of plants and agriculture in the USSR" (1945) P. awarded the Prize. K. A. Timiryazev. P. was elected an honorary member. a number of foreign academies and scientific about-v. P.'s name was given to the Perm agricultural enterprise. in-that and a number of experimental stations. Laureate of the Prize. V. I. Lenin (1926) and the Stalin Prize (1941).

Works: Protein substances and their transformations in a plant in connection with respiration and assimilation, M., 1899; Selected works, ed. and with entry. Art. acad. N. A. Maksimova, vol. 1, 3, M., 1951-52; Selected works, [ed. and with preface. acad. O. K. Kedrov-Zikhman], vol. 1-3, M., 1952-53; Collection of articles and scientific works. Anniversary collection, vol. 1-2, M., 1927; The exchange of nitrogenous substances and plant nutrition, in the book: Anniversary collection dedicated to the thirtieth anniversary of the Great October Socialist Revolution, part 2, M., 1947 (AS USSR); Doctrine of Fertilizer, 5th ed., Berlin. 1922; Plant Chemistry, [Agronomic Chemistry (Selected Chapters)], vol. 1-2; M., 1907-14, no. 1, 2nd ed., M., 1917; Agrochemistry, M., 1940; My memories, M., 1957.

Lit .: Dmitry Nikolaevich Pryanishnikov (1865-1948), M.-L., 1948 (AN USSR. Materials for the biobibliography of scientists of the USSR. Series of biological sciences. Plant physiology, issue 1); Academician Dmitry Nikolaevich Pryanishnikov. Hero of Socialist Labor, laureate of the Stalin Prize. Collection, ed. acad. V. S. Nemchinov, M., 1948 (there is a bibliography of the works of P. or literature about him); In memory of Academician D.N. Pryanishnikov [Collection of works, ed. acad. L. I. Prasolova et al.], M.-L., 1950; Shestakov A. G., The founder of Soviet agricultural chemistry, "Nature", 1954, No. 1.

Pryanishnikov, Dmitry Nikolaevich

(6.XI.1865-30.IV.1948)

Owls. agrochemist, biochemist and plant physiologist, acad. Academy of Sciences of the USSR (since 1929), acad. VASKHNIL (since 1935). Pupil and successor of K. A. Timiryazev. R. in Kyakhta (now the Buryat ASSR). He graduated from Moscow University (1887) and Petrovsky Agricultural and Forestry Academician. (1889). Since 1895 he worked in the Moscow agricultural. in-those (in 1917 it was renamed the Petrovsky Agricultural Academician, in 1923 - the Moscow Agricultural Academician named after K. A. Timiryazev; in 1916-1917 the rector). He lectured at the Moscow University (1891-1931), at the Golitsyn Higher Women's Agricultural School. courses (director in 1900-1917). He also worked in a number of institutes organized with his participation: the Scientific Institute of Fertilizers (later the Scientific Institute of Fertilizers and Insectofungicides, 1919-1948), Vses. in-those on fertilizers, agricultural technology and agricultural soil science (later All-Russian Research Institute of fertilizers and agricultural soil science, 1931 -1948), etc.

Main works are devoted to the study of plant nutrition and the use of fertilizers. Formulated (1916) the theory of nitrogen nutrition of plants, which has become a classic; studied the ways of transformation of nitrogen-containing in-in in plants, explained the role of asparagine in the plant organism. Developed the scientific basis of soil phosphorite. He tested various types of potash, nitrogen and phosphorus fertilizers in the main agricultural regions of the USSR. He studied the issues of liming acidic soils, gypsuming of solonetzes, the use of org. fertilizers. Improved methods for studying plant nutrition, analysis of plants and soils. Author of the classic manual "Agrochemistry" (3rd ed. 1934). An active participant in the chemicalization of the national economy of the USSR. He was the first to introduce (1924) the term "chemicalization".

Member a number of acad. sciences and scientific about-in.

Hero of Socialist Labor (1945).

Prize to them. V. I. Lenin (1926), State. USSR Prize (1941).

The All-Russian Research Institute of Fertilizers and Agro-Soil Science bears (since 1948) the name of Pryanishnikov.

Etc I Nishnikov, Dmitry Nikolaevich

Genus. 1865, mind. 1948. Physiologist and biochemist of plants, pioneer of domestic agricultural chemistry. Creator of the theory of the exchange of nitrogenous compounds in the plant organism, the doctrine of the mineral nutrition of plants, the use of fertilizers, liming of soils, the cultivation of legumes as biological fixers of atmospheric nitrogen. In 1908, in his laboratory, for the first time in the USSR, he obtained superphosphate and precipitate from Russian raw materials. Graduated from the Petrovsky Agricultural and Forestry Academy (later the Timiryazev Moscow Agricultural Academy) (1889, an academy with a Ph.D. in agricultural sciences). Pupil of K. A. Timiryazev, V. V. Markovnikov and other prominent scientists. Founder and first director of the Higher Golitsyn Women's Agricultural Courses (1907-17), an active participant in the creation of the Scientific Institute for Fertilizers (1919) and its network of scientific stations. Initiator of the creation of the All-Union Institute of Fertilizers (later the All-Russian Institute of Fertilizers and Agricultural Soil Science named after D. N. Pryanishnikov) (1931). For many years, the head of the Department of Agrochemistry at Moscow University, director and head. Department of Agrochemistry and Biochemistry of the Agricultural Academy. Founder of the Agrochemical Department of the Institute of Sugar Industry. In 1920-1925. employee of the State Planning Committee of the RSFSR and the USSR. Works: "On the breakdown of protein substances during germination" (master's thesis, 1896), "The doctrine of fertilizer" (monograph), "Private farming" (monograph), "Agrochemistry" (1934), "Nitrogen in the life of plants and agriculture of the USSR "(monograph., 1945) and others. Honorary member of the Swedish Academy of Agricultural Sciences (1913), the Czechoslovak Agricultural Academy (1927), the German Academy of Naturalists in Halle (1927), the French Academy of Sciences (1946), etc. Since 1929 Member of the Academy of Sciences of the USSR, since 1935 - VASKhNIL. Winner of the Lenin (1926) and State (1941) Prizes, the Prize. K. A. Timiryazev (1946). Hero of Socialist Labor (1945). Since 1948, for the best work in agrochemistry, the production and use of fertilizers, a prize has been awarded to them. Academician D.N. Pryanishnikov. Since 1950, annual Pryanishnikov Readings have been held in Moscow.

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(1865–1948)

By absolutely indisputable
and unanimous recognition
one of the leading directions
in the world agronomic science of the XX century.
is the school of Dmitry Nikolaevich Pryanishnikov.

N.I. Vavilov

D.N. Pryanishnikov is an outstanding domestic agrochemist, biochemist and plant physiologist. He owns the classic works in the field of plant nutrition and the use of fertilizers. He was born in the city of Kyakhta, Irkutsk province, on November 6, 1865. This city stood on the caravan route through the Gobi desert and at that time was one of the busiest points of trade between Russia and China. It was also a place of exile, first of the Decembrists, then of the Narodnaya Volya, Polish rebels, participants in the uprising of 1863. The parents of Alexandra Feodorovna, the mother of Dmitry Nikolayevich, were also exiled.

Dmitry Nikolayevich's father, Nikolai Semenovich Pryanishnikov, a native Siberian, served as an accountant in one of the Kyakhta firms. He died when Dmitry was only two and a half years old. After his death, the family moved to Irkutsk to stay with their paternal grandmother Natalya Yakovlevna and settled in the old wooden house of the Pryanishnikovs on the banks of the Angara. Dmitry Nikolayevich spent his childhood and youth here. Subsequently, he recalled: “We grew up freely, without knowing any punishments, no severity, but at the same time there was no that soft-hearted kindness, which often borders on unscrupulousness. Mother brought us up by example, corrected us with love, inspired respect for work and workers. Where did she get moral strength and so much tact in raising children, who studied for copper pennies?

Dmitry received his secondary education at the Irkutsk gymnasium, graduating with a gold medal in 1883. In the same year, he entered Moscow University, having traveled more than 5.5 thousand km to Moscow by steamboat and along the Siberian postal route on horseback, so as the Siberian railway did not yet exist.

“During the three-year stay in the natural department,” wrote Prianishnikov, “the strict, crystal-clear exposition of Stoletov left the greatest mark on me; brilliant form and hot impulse in Timiryazev's public performances; Markovnikov's sometimes harsh but valuable school of laboratory practice; a simple kind word, sometimes a friendly conversation mixed with work at Gorozhankin's.

The young man worked a lot in the chemical laboratory of the university. His abilities for research drew the attention of Professor Markovnikov, who offered Dmitry Nikolayevich to stay at his department and work in the field of chemistry. “It would seem that it is better: I was then 21 years old. Having delved into chemistry, with good guidance, it was possible by the age at which most of my comrades were just graduating from university (23–24 years old) to get a decent grasp of organic chemistry, pass the master's exam and begin to read a privatdocent course. But he decided after the university to enter the Petrovsky Academy, because. in agronomic science, natural science and social science are united by a single goal. In addition, there was a possibility of free choice between scientific and practical activities.

After graduating from the university, in 1887, Pryanishnikov entered the third year of the academy, where he studied mainly plant physiology, plant growing (I.A. Stebut led the teaching), agronomic chemistry (G.G. Gustavson) and agricultural statistics (A.F. Fortunatov ). The first printed works by Pryanishnikov appear by 1889. These were reports on experiments with mineral fertilizers for sugar beets during an internship at the Borinsky sugar factory (Lipetsk region), as well as articles on economic conditions on the Black Sea coast and on productivity factors in the steppe zone, containing the results of Dmitry Nikolayevich's observations during his trips for lung treatment to Sukhumi and the Samara province.

In the spring of 1892, the Petrovsky Academy sent him abroad for two years to get acquainted with the work of the most prominent agrochemists. He conducted experimental work in the laboratories of A. Koch (Göttingen), J. Duclos (Pasteur Institute in Paris) and E. Schulze (Zurich). At Schulze, Dmitry Nikolaevich began research in the field of the transformation of protein substances in plants, which made his name famous.

At that time, asparagine was considered the primary breakdown product of protein. The well-known German plant physiologist W. Pfeffer considered asparagine to be a transport form of nitrogen-containing substances in plants. Pryanishnikov put forward a new hypothesis, according to which asparagine in the body is synthesized from ammonia, which is formed during the breakdown of protein. The synthesis of asparagine in plants is a way of binding and neutralizing ammonia, Pryanishnikov argued, because. its accumulation in plant tissues leads to poisoning. For many years, Pryanishnikov continued to develop his theory, conducting new experiments, making presentations, publishing theoretical generalizations in domestic and foreign publications.

This theory, which was of fundamental importance at that time, was initially met with hostility, especially by Pfeffer, who considered it erroneous. Pryanishnikov was supported only by K.A. Timiryazev. Only many years later, by 1920, the correctness of the scientist was recognized by other prominent biochemists and plant physiologists, among whom was Ruland, Pfeffer's successor.

At the end of 1894, by the time Pryanishnikov returned home, the Petrovsky Academy was closed, and Dmitry Nikolaevich, although not without hesitation, accepted the offer to take the chair of private farming (plant growing) at the newly created Moscow Agricultural Institute, where he then worked for more than 30 years. Here he taught the courses "Teachings about Fertilizer" and "Private Farming (Crop Production)" and at the same time conducted research in the field of plant nutrition.

According to the memoirs of many contemporaries, Dmitry Nikolaevich while studying, he created, and while researching, he taught. He was deeply convinced that the success of a teacher in higher education is inextricably linked with how intensively he simultaneously conducts scientific research in his field. The scientist repeated the words of N.I. Pirogov, that "scientific and without educational shines and warms, and educational without scientific only shines."

Dmitry Nikolayevich's speech did not shine with outward showiness. He spoke quietly, slowly, choosing simple, accessible expressions to convey complex scientific issues to all listeners. Friendly with everyone, Pryanishnikov disposed to a frank conversation both a novice student and an experienced professor. The scientist did not impose his views on the interlocutor or the audience, but he easily discovered weaknesses in the opponent's evidence. The conclusion always seemed to follow from the extensive and well-reasoned material of his lectures.

Pryanishnikov always tried to use the results obtained earlier in the practice of agriculture. At that time, the opinion was undividedly dominated in science that cultivated plants could only feed on nitrate nitrogen. Three circumstances contributed to this: the widespread use of Chilean nitrate (sodium nitrate) gave good results, the results of experiments showed that nitrate nitrogen is absorbed better than ammonium, and, finally, nitrifying bacteria were discovered in the soil, converting ammonia into nitrates. Pryanishnikov, on the other hand, believed that “if a plant can neutralize and use ammonia released during the final breakdown of protein in the body, then is it not logical to assume that the ammonia that enters the plant from the external environment is also able to first convert it into harmless asparagine, and then put into a new synthesis of amino acids and protein.

To prove his case, Pryanishnikov conducted experiments with young plants in which ammonium nitrate (ammonium nitrate) served as a source of nitrogen. He found that rather quickly acidification of the solution surrounding the roots became noticeable. Since the chemically neutral salt of ammonium nitrate, when dissolved in water, easily dissociates into NH 4 + and NO 3 - ions, only ammonia and nitric acid can be in solution:

NH 4 NO 3 + H 2 O NH 4 OH + HNO 3 NH 3 + H 2 O + HNO 3,

the acidification of the solution could only be caused by the fact that the plant takes up the ammonia faster than the nitric acid which accumulates. This proves that plants absorb more nitrogen in the form of ammonia rather than nitrate.

The scientist found that in the processes of synthesis of organic nitrogen-containing compounds, plants can directly use only ammonia. Nitrogen entering plants is converted into ammonia before entering into biosynthetic reactions. This requires a lot of energy, so ammonia nitrogen is a more economical source of nitrogen than nitrate.

From this follows the famous position of Pryanishnikov: ammonia is the alpha and omega of the transformation of nitrogenous substances in plants. With ammonia, the synthesis of complex organic compounds containing nitrogen begins, and the decomposition of these compounds in the plant organism ends with ammonia.

The scientist found that nitrate forms of nitrogen fertilizers give the best effect on acidic soils, and ammonia - on neutral ones. Dmitry Nikolaevich called ammonium nitrate a fertilizer of the future, referring to the high nitrogen content in this salt (almost 35%) and the presence of two forms of nitrogen in it at the same time - reduced (NH 4 +) and oxidized (NO 3 -). This gives the plants the opportunity to choose the form that suits them best.

The scientist's prediction came true during his lifetime. During the First World War, an industrial method was invented for obtaining synthetic ammonium nitrate from atmospheric nitrogen. Currently, ammonium nitrate is the main nitrogen fertilizer.

But Pryanishnikov was not only interested in mineral fertilizers. He paid tribute to the local organic resources of nitrogenous substances in agriculture - he defended the use of manure and peat deposits, the expansion of leguminous crops with their remarkable ability to assimilate atmospheric molecular nitrogen with the help of nodule bacteria. He introduced perennial lupine into cultivation - an excellent green fertilizer for the northern regions of Russia. More than half a century of research in this area, the scientist summarized in the monograph "Nitrogen in the life of plants and in agriculture of the USSR", published on the occasion of his 80th birthday, in 1945. For these studies, the scientist was awarded the K.A. Timiryazev.

Pryanishnikov created the national school of agricultural chemists. N.I. Vavilov, A.N. Sokolovsky, N.A. Maisuryan, I.V. Yakushkin, V.M. Klechkovsky, V.S. Butkevich and others proudly called themselves his disciples. All agronomists who studied agronomic chemistry according to Pryanishnikov's book "Agrochemistry" can be considered his students. It has been published many times and repeatedly translated into other languages. The eighth edition was awarded the State Prize of the first degree.

The breadth of scientific interests, deep erudition and versatility of Dmitry Nikolayevich as a scientist gave rise to curiosities. His student and longtime collaborator I.I. Gunaroghi recalls a trip to France in 1958: “As the head of the delegation, I had to introduce myself every time and introduce the other members of the delegation. In the vast majority of cases, it was enough for me to say that I was an agrochemist and physiologist, a student of D.N. Pryanishnikov, so that we would be given the most helpful and cordial welcome. The French, as a rule, were familiar with the name of Pryanishnikov, a Soviet academician and corresponding member of the French Academy of Sciences. But many were convinced that there were several well-known Pryanishnikov scientists: Pryanishnikov the agronomist, Pryanishnikov the agrochemist, Pryanishnikov the physiologist and biochemist, and everyone thought that he knew the works of one of these Pryanishnikovs. After explaining that this is the same Dmitry Pryanishnikov, it invariably followed: “Oh! This is incomprehensible: only a Russian is capable of this!”

Another important direction in the work of the scientist was the study of the use of phosphorites as a direct fertilizer. Experiments proved that phosphorite provides phosphorus nutrition for plants on soils with a certain level of acidity, and only a lack of acidity leads to a weak effect of phosphorite flour on chernozems. Later it was found that phosphate rock gives a good effect on leached and degraded chernozems. The use of phosphorite by buckwheat, peas, hemp is not affected by the acidity of the soil; this has not been noted for cereals and other crops. Dmitry Nikolaevich developed methods for the decomposition of phosphorite using peat and manure (composting), obtained superphosphate and a precipitate of quite satisfactory quality from "unsuitable" Russian phosphorite. The introduction of this technique at the Kineshma and Vyatka plants made it possible over time to switch to the production of superphosphate from domestic raw materials.

An outstanding specialist in plant physiology and agrochemistry, Pryanishnikov was also one of the most famous agronomists of his time. His truly encyclopedic knowledge in the organization and economics of agriculture, plant growing and agriculture is striking. Many of his works in these areas have not lost their significance even many years later. The same can be said about his numerous speeches on the organization of higher agronomic education in Russia, on the chemicalization of both individual agricultural regions and crops, and the entire agriculture of the country, on the introduction of correct crop rotations, the justification of the system for applying fertilizers in various crop rotations, etc.

From 1919, Dmitry Nikolayevich was in charge of the agrochemical department of the Scientific Institute for Fertilizers, and from 1931 until the last days of his life he headed the laboratory of mineral fertilizers of the All-Union Institute of Fertilizers, Agrotechnics and Agrosoil Science, transferring to the latter personnel and laboratory at the Department of Agrochemistry of the TSKhA, which he created back in 1896 Numerous experiments were carried out by the laboratory on state and collective farms in order to develop methods for applying fertilizers to all the main types of soils in the country.

The government has repeatedly noted the merits of Dmitry Nikolaevich. In 1926 he was awarded the Prize. IN AND. Lenin, in 1945 he was awarded the title of Hero of Socialist Labor. The scientist was a full member of the Academy of Sciences of the USSR and VASKhNIL, as well as the Academy of Naturalists in Halle, the Swedish Academy of Agricultural Sciences, the Czechoslovak Agricultural Academy, a corresponding member of the French Academy of Sciences and many foreign scientific societies.

Dmitry Nikolayevich Pryanishnikov died in Moscow on April 30, 1943, at the age of 83, from a complication after pneumonia and was buried at the Vagankovsky cemetery.

Proceedings of d.N. Pryanishnikova

Pryanishnikov D.N. popular agrochemistry. – M.: Nauka, 1965. 396 p.: ill.

Pryanishnikov D.N. On the chemicalization of agriculture and proper crop rotations. – M.: Knowledge, 1965. 45 p. (New in life, science, technology.)

Pryanishnikov D.N. On the fertilization of fields and crop rotations: Fav. articles. – M.: Selkhozgiz, 1962. 263 p.

Pryanishnikov D.N. Selected works. – M.: Nauka, 1976. 591 p. (Classics of science.)

Pryanishnikov D.N. Selected works: In 3 vols. - M .: Kolos, 1965. Vol. 1: Agrochemistry. 767 p.: ill.; Vol. 2: Private farming: Plants of field culture. 708 p. ; T. 3: General issues of agriculture and chemicalization. - 639 p.: ill.

Literature about D.N. Pryanishnikov

Dmitry Nikolayevich Pryanishnikov // People of Russian Science. - M., 1963. - S. 795-814.

Petersburg A.V. D.N. Pryanishnikov and his school. - M.: Soviet Russia, 1962. 106 p.: ill.

Petersburg A.V., Smirnov P.M. Dmitry Nikolaevich Pryanishnikov and his teachings. – M.: Knowledge, 1962. 46 p.

Dmitry Nikolayevich Pryanishnikov: Life and work / Redkol. S.I. Volfkovich and others - M.: Nauka, 1972. 270 p.: ill.

Dobrovolsky G.V., Mineev V.G., Lebedeva L.A. Dmitry Nikolaevich Pryanishnikov. – M.: Publishing House of Moscow University, 1991. 49 p.

Dmitry Nikolayevich Pryanishnikov / Redkol. A.P. Gorin and others - M .: Publishing house TSHA, 1960. 122 p.

Modern development of scientific ideas

D.N. Pryanishnikov: Sat. scientific tr. /Answer. ed. D.N. Durmanov, E.A. Andreeva. – M.: Nauka, 1991. 279 p.: ill.

D.N. Pryanishnikov and issues of chemicalization of agriculture: Reports at the plenum of the section of agrochemistry and fertilizers of the All-Union Agricultural Academy of Agricultural Sciences, dedicated to the 100th anniversary of the birth of D.N. Pryanishnikova / Redkol. I.I. Sinyagin and others - M .: Kolos, 1967. 510 p.

Kudryavtseva T.S. Dmitry Nikolaevich Pryanishnikov. – M.: Book, 1964. 11 p.

Pryanishnikov D.N. My memories. 2nd ed. – M.: Selkhozgiz, 1961. 309 p.: ill.

The first pages of memoirs are devoted to native places, childhood, study at the Irkutsk gymnasium. Student years are described in an interesting way. There are many memories of the excellent scientists - Pryanishnikov's teachers, the history of the academy, the development of its scientific life. In essence, this is the history of higher agricultural education and experimental work in our country at the end of the 19th and beginning of the 20th centuries. Here are notes about travels to France, Italy, other countries of Western Europe for scientific purposes or in connection with the need to improve their health. Everything that had to do with agriculture, farming, agrochemistry, was reflected in the author's travel sketches.

Pisarzhevsky O.N. Pryanishnikov. - M .: Young Guard, 1963. 237 p.: ill. (Life of wonderful people.)

“He was probably one of the most assiduous and diligent laboratory craftsmen that science knew at the turn of two centuries. And at the same time, there are few scientists who would cause so many conflicting passions that raged far beyond the laboratory walls with their activities,” the author writes in the preface. The reader is waiting for a story full of events about the life path, painstaking and restless work of a man of amazing fate. Modest and gentle by nature, Pryanishnikov became irreconcilable in a scientific dispute. In the same issue with him, he graduated from the Petrovsky Academy of V.R. Williams. Students of the same academy, later professors, worked side by side in departments close in profile. The author tells how and why the paths of the two largest scientists diverged, about the essence of their disagreements, intransigence in defending their positions. The reader learns about the personal life of the scientist, friends, students. The main researches of Pryanishnikov, their significance for the development of plant physiology, biochemistry, and agrochemistry are popularly described.

P Ryanishnikov Dmitry Nikolaevich - scientist in the field of agrochemistry, plant physiology and crop production, academician of the Academy of Sciences (AN) of the USSR, academician of the All-Union Academy of Agricultural Sciences named after V.I. Lenin (VASKhNIL) of the USSR, professor and head of the department of the Moscow Agricultural Academy named after K.A. Timiryazeva, Head of the Laboratory of Mineral Fertilizers of the All-Union Institute for Fertilizers, Agricultural Technology and Agricultural Soil Science.

Born on October 25 (November 6), 1865 in the trading settlement Kyakhta of the Trans-Baikal Region (now a city in the Republic of Buryatia as part of the Russian Federation). From raznochintsy. Russian. After the death of his father in 1868 he lived with his mother in Irkutsk. He graduated from the Irkutsk gymnasium in 1883. In the same year he entered the mathematical department of the Faculty of Physics and Mathematics of Moscow University, but after 2 years he transferred to the natural department of the Faculty of Physics and Mathematics of Moscow University and graduated in 1887. In 1889 he graduated from the Petrovsky Agricultural Academy (now the Moscow Agricultural Academy named after K.A. Timiryazev).

Already during his studies, he proved himself to be a talented researcher (he began publishing scientific papers in 1888) and after graduating from the academy, on the proposal of the outstanding Russian scientist K.A. Timiryazev, was left in it to prepare for scientific work. In 1891 he passed the exam at Moscow University for a master's degree. Privatdozent of Moscow University (1891 - 1917). In 1892-1894 - on a scientific trip to Germany, France and Switzerland. Doctor of Sciences (1900).

From 1894 until the end of his life, for over 50 years, Pryanishnikov was a professor and head of the department of the Moscow Agricultural Institute (since 1923 - the Moscow Agricultural Academy named after K.A. Timiryazev), in 1907-1913 - Deputy Director for Education, in 1916 -1917 - director of the institute, in 1919-1929 - head of the agrotechnical department of this institute (academy). Even in pre-revolutionary times, Pryanishnikov became an outstanding scientist, the closest associate of K.A. Timiryazev, one of the most prominent representatives of Russian agronomy and founders of agrochemistry as a science. The main studies of Pryanishnikov are devoted to the issues of plant nutrition and the use of artificial fertilizers in agriculture; the study of nitrogenous nutrition and the metabolism of nitrogenous substances in the plant organism; scientific substantiation of the use of ammonium salts in agriculture; research in plant nutrition and fertilizer application; problems of green manure (green manure); questions of application of peat, manure and other organic fertilizers. His fundamental work "The Course of Private Farming" (1898) was published in Russia and the USSR 8 times, and was also translated and published in Germany, Yugoslavia, and Bulgaria. For scientific research and collection of materials, he performed more than 50 business trips to various regions of Russia.

Pryanishnikov compiled the physiological characteristics of domestic potash salts, studied various types of nitrogen and phosphorus fertilizers, the issues of liming acidic soils, and gypsuming solonetzes. He gave a rationale for the methods of plant nutrition and the introduction of various types of fertilizer. He proposed new methods for studying plant nutrition: the method of so-called isolated nutrition, sterile cultures, fluid solutions, as well as various methods and techniques for analyzing soils and plants. In 1908, in his laboratory, for the first time in Russia, he obtained superphosphate and precipitate from Russian raw materials.

In 1916 D.N. Pryanishnikov formulated the theory of nitrogen nutrition of plants, which has become a classic; studied the ways of transformation of nitrogen-containing substances in plants, explained the role of asparagine in the plant organism. Within the framework of this theory, he built a scheme for the transformations of nitrogenous substances in plants, investigated the role of ammonia in this process, explained the role of asparagine in the plant body and refuted the view that prevailed before him of this substance as the primary product of protein breakdown; showed that asparagine is synthesized from ammonia, which is formed in the plant at the final stage of protein breakdown or enters it from the outside. Drawing an analogy between the role of asparagine in plant and urea in animal organisms), Pryanishnikov revealed the common features of the metabolism of nitrogenous substances in the plant and animal world, which was of great importance for understanding the laws of evolution of living organisms.

He paid great attention to pedagogical activity. From 1891 to 1931 he taught at Moscow University. Founder and director (1907 - 1917) Golitsyn higher women's agricultural. courses. Author of many reprinted textbooks ("Private farming", 1898, over 10 editions, "Agrochemistry", 1934, 5 editions).

The outstanding scientist accepted the October Revolution of 1917 and continued his fruitful work in the USSR. He created a national school of agricultural chemists. The work of Pryanishnikov contributed to the chemicalization of agriculture in the USSR - the widespread introduction of mineral fertilizers into agricultural practice and the creation of a powerful fertilizer production industry. Developed the scientific basis of soil phosphorite. He tested various types of potash, nitrogen and phosphorus fertilizers in the main agricultural regions of the USSR. In 1920 - 1925 he was a member of the State Planning Committee of the USSR, in 1925 - 1929 he worked in the Committee for the Chemicalization of the National Economy. From 1929 to 1941, he headed the Department of Agronomic Chemistry, Faculty of Biology, Moscow State University.

Being a passionate champion of the development of science in Russia and the elimination of the backlog of agronomic science from developed countries, Pryanishnikov played an active role in the organization of several scientific institutes and himself worked in them. These are the Institute for Fertilizers (reorganized into the Scientific Institute for Fertilizers and Insectofungicides, worked in 1919 - 1948), the All-Union Institute for Fertilizers, Agrotechnics and Agrosoil Science (worked as the head of the laboratory of mineral fertilizers in 1931 - 1948), the Central Research Institute sugar industry. He was distinguished by exceptional decency and civic courage. For example, for several years he tried to rescue the outstanding geneticist N.I. Vavilov. To this end, he sought a personal reception from L.P. Beria and his deputy Kobulov, wrote several letters to I.V. Stalin, and also introduced Vavilov, who was in prison, to the award of the Stalin Prize of the USSR.

During the Great Patriotic War, he was evacuated to Central Asia, where he led the survey of land in order to expand agricultural land. In total, under his leadership, more than 13 million hectares of previously uncultivated land were identified and used for sowing grain and industrial crops, which played an exceptional role in providing the Red Army.

In 1913 he was elected a corresponding member of the Russian Imperial Academy of Sciences. Academician of the Academy of Sciences of the USSR (1929). Academician of VASKhNIL (1935).

For outstanding services in the development of Soviet agricultural science by the Decree of the Presidium of the Supreme Soviet of the USSR of June 10, 1945 Dmitry Nikolaevich Pryanishnikov was awarded the title of Hero of Socialist Labor with the Order of Lenin and the Hammer and Sickle gold medal.

Proceedings of D.N. Pryanishnikov received wide international recognition: he was elected an honorary member of the Royal Swedish Academy of Agricultural Sciences (1925), the Czechoslovak Agricultural Academy (1931), the German Academy of Naturalists in Halle (1923). Member of the German Academy of Naturalists "Leopoldina" (1925), member of the German Botanical Society (1931), German Society of Applied Botany (Germany, 1931), American Society of Plant Physiology (1931), Royal Botanical Society of the Netherlands (1931). Corresponding member of the French Academy of Sciences (1946). Honorary Doctorate of Science from the University of Wroclaw (Poland, 1925).

Lived in Moscow. He died on April 30, 1948 at the age of 83 from a complication after pneumonia. He was buried at the Vagankovsky cemetery in Moscow.

He was awarded two Orders of Lenin (12/06/1940, 06/10/1945), three Orders of the Red Banner of Labor (02/21/1936, 09/24/1944, 1945), the Order of the Patriotic War, I degree (1945), medals. Hero of Labor (1925).

Laureate of the Prize. V. I. Lenin (1926), the Stalin Prize (1941), the Prize. K.A. Timiryazev Academy of Sciences of the USSR (1945).

Name of Academician D.N. Pryanishnikov was awarded to the All-Union Scientific Research Institute of Fertilizers and Agrosoil Science of the Russian Academy of Agricultural Sciences, Perm Agricultural Institute. Since 1948, the Academy of Sciences of the USSR (now the Russian Federation) has been awarded the Academician D.N. Pryanishnikov. In 1962, the Gold Medal named after D.N. Pryanishnikov Academy of Sciences of the USSR. Since 1950, annual Pryanishnikov Readings have been held in Moscow.

A monument to the scientist was erected near the building of the Moscow Agricultural Academy. A street in Moscow bears his name.

Dmitry NikolaevichPryanishnikov(October 25, 1865, the village of Kyakhta, Transbaikal region of the Russian Empire (now the Republic of Buryatia) - April 30, 1948) - agricultural chemist, founder of the agrochemical school, academician of the USSR Academy of Sciences, Hero of Socialist Labor, laureate of the Stalin and Lenin Prizes.

D.N. Pryanishnikov: biographical information

Born in the family of an accountant. In 1882 he graduated from the Irkutsk gymnasium with a gold medal. He continued his education at Moscow University at the natural department of the Faculty of Physics and Mathematics. Having completed his university studies in 1887 with a Ph.D. in natural sciences, he entered the third year of the Petrovsky Agricultural and Forestry Academy. According to K.A. Timiryazev and I.A. Stebut, the Council of the Petrovsky Academy approved him by competition for three years as a scholarship holder of the highest salary to prepare for a scientific title. In 1889 he graduated from the Academy (now the Moscow Agricultural Academy named after K.A. Timiryazev) with the title of Candidate of Agricultural Sciences. In 1891 he passed the master's exam at Moscow University.

In 1892, as Privatdozent, he began teaching a course in agronomic chemistry at Moscow University (which continued until 1929).

In 1895 he received the Department of Agrochemistry at the Moscow Agricultural Institute (later transformed into the Petrovsky Agricultural Academy, then into the Agricultural Academy named after K.A. Timiryazev), began to read the courses "The Teaching of Fertilizer" and "Private Farming". He worked here until 1948. For the first time in the history of higher education in Russia, he attracted a large number of students to scientific work, introducing vegetation experiments into practical classes.

In 1896 he defended his master's thesis on the topic "On the breakdown of protein substances during germination" at Moscow State University. The opponent was K.A. Timiryazev, who highly appreciated this dissertation.

In 1900 he defended his doctoral thesis at Moscow State University on the topic "Protein substances and their breakdown in connection with respiration and assimilation."

In 1907, he participated in the organization of the Higher Women's Agricultural Courses in Moscow (the so-called "Golitsinsky"), was elected their director for 9 years (from 1909 to 1917), lectured on agricultural chemistry and plant physiology.

In 1908 he was elected deputy director for education at the Moscow Agricultural Institute (at his main place of work). Being in this position until 1913, he reorganized the institute: he introduced specialization, theses and examinations similar to master's. In 1908–1909 and 1916–1917, he served as director (rector) of the MSI. In 1920-1925 he was the dean of the agricultural department of the Petrovsky Academy, which trained specialists in agriculture, animal husbandry and economics.

In 1913 he was elected a corresponding member, in 1929 - a full member of the USSR Academy of Sciences, and in 1936 - an academician of the All-Russian Academy of Agricultural Sciences. He was a full and honorary member of many foreign academies and scientific societies.

Scientific and social activities

The main works of the scientist are devoted to agricultural chemistry. Developed the scientific basis of soil phosphorite. They gave a physiological description of domestic potash salts, tested various types of nitrogen and phosphorus fertilizers in the main agricultural regions of the USSR. He worked on the issues of liming acidic soils, gypsuming solonetzes, and the use of organic fertilizers. Improved methods for studying plant nutrition, analysis of plants and soils, vegetation experience.

D.N. Pryanishnikov went on business trips abroad to study the experience of producing and using fertilizers, setting up research work and agricultural education. Repeatedly made presentations at international congresses, representing Russian and Soviet science abroad.

In 1921-1929, Dmitry Nikolayevich actively participated in the work of the State Academic Council (GUS) of the People's Commissariat for Education, the Food Institute, and the Central Institute of the Sugar Industry (CINS).

He is the founder and director of the Scientific Institute for Fertilizers (since 1948 - the All-Russian Research Institute of Fertilizers and Agrosoil Science named after D.N. Pryanishnikov), a member of the State Planning Committee of the USSR (1920–1925) and the Committee for the Chemicalization of the National Economy (1928–1936).

He was a member of the editorial board of the journal "Soil Science" in 1929-1936, the journal "Fertilizer and Harvest" in 1930, the journal "Chemization of Socialist Agriculture" and Soil Science in 1934-1948

Awards and titles

In 1945 he received the title of Hero of Socialist Labor with the Hammer and Sickle gold medal and the Order of Lenin for outstanding services in the development of agrochemistry and plant physiology, fruitful work to increase productivity and for the creation of a national school of agricultural chemists.

D.N. Pryanishnikov is a laureate of the Stalin Prize (1941), the V.I. Lenin (1926), awards to them. K.A. Timiryazev (1945). Awarded with orders: named after V.I. Lenin (1940, 1945), the Red Banner of Labor (1936, 1944, 1945), the Order of the Patriotic War, I degree (1945), as well as medals: the Big Gold Medal of the All-Union Agricultural Exhibition (1939).

Memory

The Decree of the Council of Ministers of the USSR in 1948 established the Academician D.N. Pryanishnikov, which, according to the decision of the Academic Council of the TSKhA, is annually awarded for the best work in agrochemistry, production and use of fertilizers. In 1962, a gold medal was established to them. D.N. Pryanishnikov, awarded every three years by the Presidium of the Russian Academy of Sciences for the best work in the field of plant nutrition and fertilizer application.

Name of Academician D.N. Pryanishnikov was awarded to the All-Union Scientific Research Institute of Fertilizers and Agrosoil Science of the Russian Academy of Agricultural Sciences, Perm Agricultural Institute. Since 1950, annual Pryanishnikov Readings have been held in Moscow.

Compositions

  1. protein substances. General chemistry of proteins. L., 1926, 168 p.
  2. Selected writings. T. 1–3. M., 1965.
  3. Popular agrochemistry, M., 1965.
  4. The doctrine of fertilizer: a course of lectures. M., 1900.
  5. Plant Chemistry. Issue. 1–2. M., 1907–1914.

In 1934, "Agrochemistry" was published (during the life of the author it went through four editions, translated into Ukrainian, Georgian, Armenian, Azerbaijani and Bulgarian), students are still studying this textbook.

Sources and literature

  1. Academician D.N. Pryanishnikov: Sat. to the 80th birthday. M., 1948.
  2. D.N. Pryanishnikov and questions of chemicalization of agriculture. M., 1967.
  3. Dmitry Nikolaevich Pryanishnikov. M., 1972.
  4. Irkutsk: Dictionary of Local Lore and History. Irkutsk, 2011.
  5. In memory of Academician D.N. Pryanishnikov. M.-L., 1950.
  6. Petersburg A.V. D.N. Pryanishnikov and his school. [M.], 1962.

Links

  1. Heroes of the country: http://www.warheroes.ru/hero/hero.asp?Hero_id=9704 .
  2. Megaencyclopedia of Cyril and Methodius: http://www.megabook.ru/Article.asp?AID=665272 .
  3. Page D.N. Pryanishnikov on the website of the Faculty of Chemistry of Moscow State University: http://www.chem.msu.su/rus/history/acad/pryanishnikov.html .
  4. Page D.N. Pryanishnikov:

D. N. Pryanishnikov is an outstanding agrochemist, biochemist and plant physiologist. A native of the Irkutsk province (now Buryatia), D.N. Pryanishnikov lost his father early and owed his upbringing to his mother - a simple Russian woman who received only a primary education. After graduating from the gymnasium in 1883, he entered the natural department of Moscow University, where Professor V.V. Markovnikov drew attention to a capable student who worked hard in a chemical laboratory. After graduating from the university (1887), D. Pryanishnikov was offered to stay at the Department of Organic Chemistry to prepare for scientific work. However, he decided differently - he entered the third year of the Petrovsky Agricultural and Forestry Academy (since 1923 - the Timiryazev Agricultural Academy, TSHA), which he graduated in 1889 and was left there to teach. In 1892, the academy was sent abroad for 2 years (Germany, France, Switzerland), where he conducted research in the field of the conversion of protein and other nitrogenous substances in plants. These works soon received international recognition and put the young scientist among the most prominent biochemists and plant physiologists. Since 1895, Pryanishnikov headed the department at the Petrovsky Academy (in 1916-17 he was the rector), taught the courses “Teaching about fertilizer” and “Private farming”. At the same time (1891-1931) he taught a course in agronomic chemistry at Moscow University (at the department of the same name), as well as a course in plant chemistry. In 1896 he defended his master's thesis ("On the breakdown of protein substances during germination"), and in 1900 at Moscow University - his doctoral thesis ("Protein substances and their breakdown in connection with respiration and assimilation").
The scientist sought not only theoretical results - he wanted to apply them in practice. Therefore, laboratory experiments on the transformation of nitrogenous substances in plants logically led him to practical thoughts about the use of nitrogenous substances to improve the growth and development of plants - to thoughts about the use of nitrogen fertilizers.
Having received excellent chemical training from the coryphaeus of organic chemistry of that time, V.V. - in areas with the highest growth rate.
The finest physiological studies of the conversion of nitrogen and phosphorus in plants, carried out by Pryanishnikov in the first decade and a half of the twentieth century, made it possible to approach the problem of the use of mineral fertilizers in a new way. He figured out the mechanism by which plants take up “ammonia and nitrate nitrogen” (i.e., nitrogen found in various types of chemical compounds), and these findings formed the basis of practical recommendations on when and how to apply nitrate and ammonia fertilizers. Agrochemical experiments on the use of finely ground phosphorites instead (or together) with superphosphate and the dependence of the results on soil acidity (which at that time - at the beginning of the 20th century - was just beginning to be studied) made it possible to substantiate a number of valuable proposals for the use and processing of phosphorites (in in particular, with the help of nitric acid - to obtain combined fertilizers containing both nitrogen and phosphorus; fertilizers have been obtained in this way since the mid-50s).
The agronomic work of the scientist also had a large scope. He conducted experiments on the cultivation of plants in various conditions, on various soils, using various agronomic methods and mineral fertilizers. In addition to specific practical results, which later became the ABC of domestic agronomy, the results of these experiments served as a justification for the development plan and location of the fertilizer industry. In addition, in 1917-19. on the initiative of Pryanishnikov, the Scientific Institute for Fertilizers was created, the scientist headed its agronomic department (for a number of years he was also the director of the institute). It launched systematic research both of a technological nature (obtaining various types of fertilizers from natural raw materials and developing the technology of these processes), and of a purely chemical and biochemical plan (assimilation of certain fertilizers by plants, their effectiveness, methods of use for various crops and on various soils). soils).
Being an encyclopedically educated person, Pryanishnikov understood and was much interested in the issues of the economics of agriculture and industry. From his frequent trips abroad (he went there for scientific and educational purposes more than 25 times), he learned a lot of new things and tried to use it usefully, but without blind copying, in his homeland, in his research. Wherever he was abroad, no matter what agricultural institution or simply a peasant farm he got acquainted with, he immediately “reproduced” his impressions in graphs, figures: how much land per inhabitant, food per consumer, crop per hectare, what is the selling price per pood, the grain duty, the outflow of workers to the city, etc. The habit of such calculations made his research and proposals seriously substantiated and reasoned. In 1920-25. was a member of the State Planning Committee of the USSR, in 1925-29 he worked in the Committee for the Chemicalization of the National Economy.
For his scientific work he received the Lenin (1926) and State (1941) prizes. In 1913 he was elected a corresponding member, in 1929 - a full member of the Academy of Sciences of the USSR, and in 1936 - an academician of the All-Russian Academy of Agricultural Sciences. D.N. Pryanishnikov was a full and honorary member of many foreign academies and scientific societies, holder of a number of orders and medals, Hero of Socialist Labor (1945) - for his services in the development of agricultural chemistry and for the creation of a school of Russian agricultural chemists.
Since 1948, the Research Institute of Fertilizers and Agricultural Soil Science has been named after D.N. Pryanishnikov.
Main works:
Pryanishnikov D.N. The doctrine of fertilizer. Lecture course. M., 1900.
Pryanishnikov D.N. Plant Chemistry. Issue. 1-2. M., 1907-1914.
Pryanishnikov D.N. protein substances. General chemistry of proteins. L., 1926, 168 p.
Pryanishnikov D.N. Agrochemistry. (Textbook). M.; L.: Selkhozizdat, 1934, 399 p.
Bibliography about D.N. Pryanishnikov:
Maksimov N.A., Verzilov V.F., Epifanova A.P. Dmitry Nikolaevich Pryanishnikov (Materials for the bio-bibliography of scientists of the USSR). M.-L.: Publishing House of the Academy of Sciences of the USSR, 1948. 81 p.
Kedrov-Zikhman O.K. Life and work of academician D.N. Pryanishnikov // Uspekhi khimii, 1939, v. 8, no. 1, p. 1-10.
Academician Dmitry Nikolaevich Pryanishnikov, Hero of Socialist Labor, laureate of the Stalin Prize / Sat. ed. Acad. V.S. Nemchinov. M.: Publishing house TSHA, 1948, 264 p.
D.N. Pryanishnikov. Life and activity. M.: Nauka, 1972. 271 p.
Pisarzhevsky O.N. Pryanishnikov (1865-1948). M., 1963.
T.V. Bogatova