EFFECT OF PLOWING BY-PRODUCT PREDECESSOR AND MINERAL FERTELIZERS DOSES ON THE BARLEY YIELD ON SOD-PODZOLIC SANDY LOAM SOI
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Abstract
In studies on sod-podzolic sandy loam soil found that lowering doses of phosphate and potash fertilizers with regard to the content of phosphorus and potassium in the straw plowed predecessor had ensured the grain yield of barley at the level of full doses of mineral fertilizers by a lower cost for fertilizers on 51 USD /ha, or 26%. The use of a compensatory nitrogen dose on plant residues of the precursor in the form of urea provided an increase grain yield of barley on 15,4 c/ha in spring application and 3,4 kg/ha in autumn. In the variants with the NPK application under barley additional amounts of nitrogen on straw increased yields an average of 4,2 c/ha.
About the Authors
T. M. Seraya
Институт почвоведения и агрохимии, г. Минск, Беларусь
Russian Federation
Russian Federation
E. N. Bogatyreva
Институт почвоведения и агрохимии, г. Минск, Беларусь
Russian Federation
Russian Federation
T. M. Kirdun
Институт почвоведения и агрохимии, г. Минск, Беларусь
Russian Federation
Russian Federation
O. M. Biryukova
Институт почвоведения и агрохимии, г. Минск, Беларусь
Russian Federation
Russian Federation
Yu. A. Belyavskaya
Институт почвоведения и агрохимии, г. Минск, Беларусь
Russian Federation
Russian Federation
M. M. Torchilo
Институт почвоведения и агрохимии, г. Минск, Беларусь
Russian Federation
Russian Federation
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Review
For citations:
Seraya T.M., Bogatyreva E.N., Kirdun T.M., Biryukova O.M., Belyavskaya Yu.A., Torchilo M.M. EFFECT OF PLOWING BY-PRODUCT PREDECESSOR AND MINERAL FERTELIZERS DOSES ON THE BARLEY YIELD ON SOD-PODZOLIC SANDY LOAM SOI. Soil Science and Agrochemistry. 2015;(2):117-124. (In Russ.)
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