Kushnirenko N. Dependence of spring triticale productivity on cultivation technology elements under conditions of Right Forest-Steppe of Ukraine

Peculiarities of spring triticale productivity formation depending on cultivation technology elements, such as fertilization system which based on variable application rates are stated in the theses. There was determined the dependence of spring triticale organogenesis on weather conditions and grounded the influence of fertilizer rates on the morphophysiological characteristics of the plants development in the thesis. The results of the investigations revealed that mineral fertilizer application favors plants growth, increases leaf area, dry matter accumulation and photosynthesis production. The highest yield both cultivars forms with application of N90P90K90+N30(IV) make up 5. 22 tons/ha for Veresoch, 5.06 tons/ha for Losynivskyi and 4.64 tons/ha for Aist Kharkivskyi. The research results on the study of an influence of mineral fertilizer rates on spring triticale grain quality are stated. The highest gluten content on the average for years of research was obtained for the variety of spring triticale Veresoch - 30.2% at fertilization variant N120P120K120+N30(IV). The gluten content of Losynivskyi variety at the same fertilization variant made up 26.3%, that of Aist Kharkivskyi cultivar - 22.3%. Mineral nutrition significantly influenced spring triticale productivity. The economic and energy value of cultivation technology elements is given. According to the research results it is elaborated and recommended to the production a project of spring triticale cultivation technology which will provide the crop productivity formation at a level 5.0-5.5 metric tons/ha with high technological quality indices under conditions of the Forest-Steppe.