%0 Journal Article %T Economic and agroenergetic assessment of spring wheat during treatment with Nano-gro at the dark grey forest soils of Nizhniy Novgorod region %A Shashkarov, L.. %A Vorobeva, T.. %K spring wheat, varieties, yield, crop value, production costs, net income, profitability, cost of energy, clean energy income, energy efficiency ratio of sowing, planting bio-energy ratio, the energy cost of grain. %J Vestnik of Kazan State Agrarian University %D 2013 %N 8 %P 3 %I Kazan state agrarian University