I.N. Belous, V. N. Adamko
Bryansk State Agricultural Academy
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Summary. In the long-lived stationary experience studied actions of complex application of means of chemicalixation on productivity and quality of grain of a winter rye on the cespitose and podsolic sandy soil in a plodosmenny crop rotation in the conditions of a radiocontamination. To achievement of a goal applied organo-mineral and mineral systems of fertilizer with inclusion in them chemical means of protection and humic fertilizers. Result of researches became receiving processing methods of receiving big crops of a winter rye. The double dose of NPK (N140P60K120), as in combination with gumistimy (+2,05 t/hectare in relation to monitoring), and without (+1,96 t/hectare in relation to monitoring) it appeared the most efficient on influence on grain productivity of a winter rye. The further increase in a dose of mineral fertilizers did not lead to body height of productivity and even reduced it. Revealed that grain protein content varied from 11,7 to 13,7%, and weather conditions had a greater impact on formation of a proteinaceous complex, than applied means of chemicalixation. The highest rates on protein content are noted in droughty 2010. The greatest collecting protein from an unit area is received in N210P90K180 option + pesticides + gumisty (0,340 t/hectare). The maintenance of macrocells in grain of a winter rye had particular distinctions and depended on doses of applied fertilizers and means of chemicalixation. It is established that the maintenance of macrocells increased in grain of a winter rye with increase in level of a mineral delivery. The highest values of the content of phosphorus, potassium, calcium and magnesium in grain are noted on with a double and threefold dose of NPK in combination with pesticides and gimistimy.
Keywords: winter rye, productivity, gumisty, protein content, macrocells.