Кaplin O. Influence of advance crops, soil tillage practices and mineral fertilizers on the productivity of early-ripening sunflower hybrids under irrigation

Research object: skorospelie hybrids of sunflower (Visit, Very handsome, Kharkov 49, Odessa 149); processes of growth, development and forming of harvest of his quality under influencing of technological receptions. Purpose of researches: To define the place of sunflower in the link of the irrigated crop rotation and develop the most effective elements of technology of his growing after different predecessors. Research receptions: during conducting of researches used by the methods of the field, laboratory experience and methods of mathematical statistics. Results of researches: 1) for a theory - new scientific data about growth, development and productivity of plants of skorospelih hybrids of sunflower in the conditions of irrigation are got; 2) for practice - recommendations on technology of growing of high harvest are developed seed of skorospelih hybrids of sunflower in the intermediate sowing at irrigation. Sphere of the use: basic positions of researches can find the practical use in the economies of south region, which are engaged in growing of podsolnuha at irrigation.