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BALANCE OF POTASSIUM IN THE SOIL OF A FIELD ROTATION WITH LONG-TERM USE OF FERTILIZERS

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Abstract

This article considers the influence of different fertilization rates and fertilization systems in field 10-pole rotation of grain-beet type on the balance of potassium and its intensity. It is found that the balance of potassium in the soil is determined by the level of fertilizer application and removal of potassium by rotation crops, especially by non-market part of the harvest. Under the condition of leaving non-market harvest in the field for fertilizing, balance of potassium in the soil can be significantly improved and the application rate of potassium fertilizers in crop rotation can be reduced by half.

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Gospodarenko G.M., Nikitina A.V., Krivda Yu.I. BALANCE OF POTASSIUM IN THE SOIL OF A FIELD ROTATION WITH LONG-TERM USE OF FERTILIZERS. Soil Science and Agrochemistry. 2015;(1):134-139. (In Russ.)

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ISSN 0130-8475 (Print)