DMITRIY N. PRYANISHNIKOV`S CONTRIBUTION TO THE DEVELOPMENT OF AGROCHEMISTRY (TO THE 150-th ANNIVERSARY)
The stages of many-sided scientific activities of the prominent agrochemist, physiologist and plant biochemist D.N.Pryanishnikov, his contribution to the development of the classic theory of plant nutrition by nitrogen and scientific foundation of nitrogen fertilizers application are considered in the article. D.N.Pryanishnikov investigations of protein metabolism in plants allowed him to get an international recognition and to work up a worldwide reputation of the prominent biochemist. The analysis of the experimental works of the scientist and his followers devoted to the phosphorous, potassium and other elements nutrition, to the improvement of agrochemical investigations methodology is presented in the historical aspect. D.N.Pryanysnikov`s role as an educational specialist in the formation of scientific agrochemistry school in the period of his work in Moscow State University named after M.V. Lomonosov and Moscow Agricultural Academy named after K.A.Timiryazev. The great role of D.N.Pryanishnikov in the organization and development of investigations methodology in the Geographic network of experiments, as well as his outstanding significance in the forming of the State network of agrochemical scientific institutions and as a major public figure are marked in the article.