Dmitry Nikolaevich
Pryanishnikov
The D.N. Pryanishnikov Cabinet-Museum is located on the second floor of the 17th (old) academic building of the Russian State Agrarian University – MSHA named after K.A. Timiryazev, within the Department of Agronomic, Biological Chemistry, and Radiology. Dmitry Nikolaevich Pryanishnikov (1865-1948) was an outstanding Russian and Soviet agrochemist, biochemist, and plant physiologist, founder of the scientific school of agronomic chemistry. Academician of the USSR Academy of Sciences, VASKhNIL, and the French Academy of Sciences, Hero of Socialist Labor. A student of K.A. Timiryazev and several other prominent scientists, he worked for over half a century at the Petrovsky Academy (now Timiryazev Academy), heading the agrochemistry department at various times and serving as rector. The museum opened in 2015, marking the 150th anniversary of the scientist’s birth. Its premises adjoin the Large Agrochemistry Auditorium, also named after D.N. Pryanishnikov. The exhibition features authentic items belonging to the scientist: his work desk, armchair, collection of fertilizers and agronomic minerals, laboratory instruments (photoelectric colorimeter, scales, areometers), antique chemical reagents, as well as books, photographs, and personal documents. Of particular value are issues of the collected works “From the Results of Vegetation Experiments,” summarizing experiments conducted in the historic vegetation house. This house was given to D.N. Pryanishnikov by his teacher K.A. Timiryazev after the Nizhny Novgorod Exhibition and is still used by the department, effectively serving as an extension of the museum space. D.N. Pryanishnikov left a vast scientific legacy-over 550 published works, including foundational treatises: “Specialized Crop Farming,” “The Doctrine of Fertilization,” “Agrochemistry” (which saw four editions during the author’s lifetime), and “Nitrogen in Plant Life and Soviet Agriculture.” He developed the scientific principles of mineral fertilizer application, studied plant uptake mechanisms of ammoniacal and nitrate nitrogen, substantiated the use of phosphorites, and proposed a method for producing combined fertilizers using nitric acid, which was implemented in industry. The scientist provided a physiological characterization of domestic potassium salts, addressed liming of acidic soils and gypsuming of solonets soils, improved vegetation experiment methods and plant analysis techniques. During the Great Patriotic War, D.N. Pryanishnikov’s scientific developments played a key role in strengthening the nitrogen industry (fertilizer, gunpowder, and explosives production), as well as in developing over 13 million hectares of land in Central Asia. For these merits, he was awarded the Order of the Patriotic War, First Class – a distinction of which the scientist was especially proud. The scientific school founded by D.N. Pryanishnikov brought together dozens of outstanding agrochemists and crop scientists, who later headed departments, research institutes, and experimental stations across the country. Dmitry Nikolaevich’s scientific activity marked an entire era in agronomic chemistry. His works have stood the test of time, and the principles he developed remain relevant to this day.
Address: Moscow, Pryanishnikova St., 6.
