Influence of biological techniques for restoring soil fertility and methods of soil treatment on the fertility of typical chernozem and yield of winter wheat
Автор: Dedov A.V., Boluchevsky D.A.
Журнал: Вестник аграрной науки @vestnikogau
Статья в выпуске: 1 (46), 2014 года.
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Influence of various methods of soil treatment and biological techniques for restoring soil fertility on the fertility of typical chernozem and yield of winter wheat in the conditions of forest-steppe the Central Black Earth region has been studied. Research was conducted in the repeated stationary experiment of the Agriculture Department of Voronezh State Agrarian University n.a. Emperor Peter the Great. Object of research - typical chernozem and cultures of a crop rotation. This article discusses the following indicators: soil hardness, which was defined by using the Revyakin's hardness tester up to 25 cm in three terms - sowing, earing, harvesting; aggregate composition of soil by Tyulin-Savvin's method before sowing and harvesting; yield of winter wheat at various soil treatment methods. Studies have shown the advantage of green-manure fallow with sweet clover and binary sowing of winter wheat with blue alfalfa. During the years of researches, hardness of the soil was less (within the optimum) at variants using biological techniques; the number of structural aggregates in the binary sowings was greater by 25 - 38% compared with the control. The use of various methods of soil treatment and biological techniques for restoring soil fertility allowed to harvest from 35.8 to 54.9 t/ha of winter wheat in 2011 - 2013. Thus, sowing winter wheat at green-manure fallow with sweet-clover and alfalfa contributed to sustain and improve the fertility of typical chernozem and creating conditions for obtaining high grain yield.
Binary sowing with perennial grasses, soil treatment methods, soil hardness, green manure, agrophysical properties
Короткий адрес: https://sciup.org/147124147
IDR: 147124147
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