2018,    N 2 (32)    

PLANT GROWING

Nizamov R., Suleymanov S., Safiollin F., Khismatullin M.

The influence of nutrition backgrounds and norms of seeding of seeds on the fertility of grey forest soils of the Middle Volga Region

Results of four-year research on influence of various levels of mineral nutrition and seeding norms on productivity of sunflower as well as on fertility of gray forest soils of Central Volga area are given in the present article. The best results, on the proposed nutrition level, were obtained when 70000 seeds per hectare were used for seeding (N73P21K86).

Keywords: REMOVAL OF NPP, BIOACTIVITY, STUBBLE-ROOT REMAINS, STRUCTURE, NUTRITION BALANCE, ANNUAL GRASSES, GREEN MASS PRODUCTIVITY