SEEDED FALLOW AS A PREDECESSOR OF WINTER WHEAT IN THE SOUTH-EAST CENTRAL BLACK EARTH REGION
Abstract
Winter wheat is the main crop in Russia. Application of complete fallow as a predecessor is widely-used method in cultivating winter wheat. Otherwise, keeping of complete fallow without sufficient fertilizing is followed by depreciation of the main soil properties: intensive mineralization of organic substances, intensive erosion and depreciation of soil structure. The paper outlines the research results of the Chair of Arable Farming at Voronezh State Agrarian University; they explored influence of perennial legume grasses on the basic parameters of chernozem soil fertility and winter wheat crop yield. The research has shown that seeded fallow instead of complete one contributed to sufficient humidity in the soil (130–165 mm), supply of nutrients to the soil due to efficient distribution of basic macroelements and improvement of biological soil properties (concentration of detritus increased on 0,029–0,031 %). This contributed to winter wheat crop yield (on average 3,9–4,1 tones pro ha). The authors make conclusion that cultivating perennial legume grasses as predecessors of spring wheat contributes to soil fertility and winter wheat crop yield without application of mineral fertilizers.
Keywords
legume grasses,
fallow,
fertility,
humidity,
detritus,
basic macroelements,
crop yield,
binary seeds
About the Authors
M. A. Nesmeianova
Воронежский государственный аграрный университет им. императора Петра I
Russian Federation
Russian Federation
A. V. Dedov
Воронежский государственный аграрный университет им. императора Петра I
Russian Federation
Russian Federation
A. A. Dedov
Воронежский государственный аграрный университет им. императора Петра I
Russian Federation
Russian Federation
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Review
For citations:
Nesmeianova M.A., Dedov A.V., Dedov A.A. SEEDED FALLOW AS A PREDECESSOR OF WINTER WHEAT IN THE SOUTH-EAST CENTRAL BLACK EARTH REGION. Bulletin of NSAU (Novosibirsk State Agrarian University). 2015;(3):31-37. (In Russ.)
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