Nazarchuk S. The Agric-ecological ground of optimization of feed of the Sudanese grass at growing her in the main sowing in the conditions of irrigation of south of Ukraine.

Research object: forming of harvest and quality of green mass of the Sudanese grass for growing her on irrigation under act of background of feed. Purpose of researches: to develop and perfect measures for favourable growth and development of Sudanese grass, forming of high harvest and quality of green mass, including to explore efficiency of calculation norm of fertilizer. Research methods: scientific (analysis, supervision, comparision, measuring) and special (field, lаboratory, the scientific attested methods) with next treatment by the modern methods of statistics. Results of researches: 1) for a theory - new scientific information is got about forming of high harvest of the Sudanese grass of good value by the way of optimization feed in the conditions of irrigation; 2) for practice - recommendations are developed for optimizations of feed of the Sudanese grass in the conditions of irrigation. Sphere of the use: the substantive provisions of researches can be used in agricultural production, in theeducational courses of educational establishments at illumination of question of technology of growing of culture of the Sudanese grass.