[IS it necessary to increase the density of corn plants when fertilizers are applied? [Volgograd region and the Volga river district, RSFSR-IN-EUROPE]]
1975
Vodyanov, V.A. | Strekalov, D.K. (Vsesoyuznyj Nauchno-Issledovatel'skij Inst. Kukuruzy, Dnepropetrovsk (Ukrainian SSR))