Kotelnykov D. The effectiveness of the methods of tillage and nutrition of maize in the South of Ukraine

The object of research - the process of formation of productivity of maize in different ways of the basic processing and nitrogen fertilization doses on the irrigated lands of southern Ukraine. The purpose of research - to establish patterns of influence of different ways, the main depth of tillage and nitrogen fertilizer doses on the physico-mechanical properties of water, nutrient status, phytosanitary condition of crops, maize productivity elements under irrigation. Research Methods - field, laboratory, billing, statistics. The research results - for the theory: the first time for the climatic conditions of southern Ukraine is scientifically proved the combined effect of the image of the main differentiated tillage to a depth of 20-22 cm with a slotting in the 38-40 cm of crop rotation on yield of maize. To practice: under irrigation installed usefulness of plowing in the differential processing system with one slotting under the previous culture of crop rotation, thereby reducing the cost of funds by 7-12% compared to conventional plowing on 28-30 cm Application of nitrogen fertilizer on the background dose of N180. incorporation into the soil of crop residues can improve the nutrient status and conditions of the crop. Scope of use - agricultural enterprises of the south of Ukraine.