Naidyonov V. Influence of agrotechnical methods on productivity of corn and seeds of new hybrids of corn in the conditions of irrigation of south Steppe of Ukraine

The object of researches is the processes of growth and development of plants of corn. Purpose of researches - theoretical ground and practical determination of optimum type of hybrid of corn for the terms of south Steppe and to learn influence of agrotechnical measures on productivity of a new hybrid of the corn Sivash. Methods of researches - the field; measuring-gravimetric; mathematical-statistical; computation-comparative. Results of researches: For a theory: First for the terms of south area of Steppe of Ukraine the multifactor researches directed for complex development of elements of high quality agrotechnics of new hybrids of corn are conducted, the elements of agrotechnics of srednerannego hybrid of intensive type Sivash and his paternal forms are developed. For practice: On the basis of researches which are conducted in the conditions of south of Ukraine, data about forming of productivity of plants of corn of different genotypes which have the important practical value for the producers ofcommodity corn and semenovodcheskih economies of Ukraine are got. The sphere of the use is the agricultural enterprises of south Steppe of Ukraine.