Voytsekhovskyy I. Performance of different genotypes of spring barley depending on nitrogen fertilizers and growth regulators in Southern Steppe of Ukraine

The object of researches is Process of growth and development, forming of harvest and biochemical indexes of corn of fervent barley. The purpose of researches is Study of features of forming of productivity of different genotypes of fervent barley at application of nitric fertilizers and regulators of growth in the conditions of South Steppe of Ukraine. Methods of researches - the field; visual; measuring and gravimetric; quantitative; vegetation; a trial sheaf; continuous collection; laboratory; computation-comparative; mathematical statistics. Results of researches - For a theory: First in the conditions of South Steppe of Ukraine the results of influencing of compatible action of nitric fertilizers and regulators of growth of plants on the sorts of different subspecies of fervent barley are got. Improved and positive influence of compatible action of nitric fertilizers and regulators of growth is trained on productivity and biochemical composition of corn of fervent barley. For practice: The systematized existent technological and developed new measures of growing of fervent barley in the conditions of South Steppe of Ukraine, which allow to promote and stabilize the level of production of corn. The optimum norms of nitric fertilizers and methods of bringing of regulators of growth are definite during vegetation and at to sowing till of seeds. The sphere of the use is the agricultural enterprises of south of Ukraine.