Аннотации:
By using farmyard manure in rates of 10-15 tons per 1 ha of crop rotation it is possible to reduce the rates of mineral fertilizers with maintaining the level of productivity of crop rotation. Simultaneously the recoveries of each kg of active ingredient of mineral fertilizers as well as indices of economic efficiency are higher. In the agricultural year 2013-2014 system of organic fertilization has provided the highest level of profitability