THE EFFECTIVENESS OF THE USE OF MINERAL FERTILIZERS AND BIOLOGICAL PRODUCTS FOR WINTER WHEAT DEPENDING ON SOIL TILLAGE SYSTEMS
The paper gives the results of research on study of effectiveness of the conventional and beardless tillage, as well as small mulching, zero and ridge-coulisse tillage of soil. The influence of systems of main tillage of soil on its food mode and productivity is shown; the economic assessment of the studied systems of tillage is given. Results of the research allow us to make a choice of optimum decisions on application of various ways of tillage at cultivation of winter wheat increasing productivity and quality of grain due to optimization of agrophysical, agrochemical and biological properties of the soil, and ensuring fertility. At the expense of the mineralized lines and the ridge coulisses, conditions of nitrogenous nutrition improve by 41-58% and moisture provision of winter wheat improves by 13-20%. That leads to increase of productivity by 0.42-0.51 t/ha and gives economic advantages in comparison with annual plowing, reduces 2-3 times the number of technological operations at the main processing of the soil, due to reduction of costs per unit of production, promotes decrease in prime cost and increase of profit per 1 Rouble of expenses.