Abstract

The article presents results of research of the agrophysical and physico-chemical properties of gray forest coarse-dust light-loam soil. The influence of liming and systematic use of mineral fertilizers of by-products and the aftereffect of siderate, both separately and in various combinations on the density of the composition and structure of absorbing complex of the arable and subsoils of the soil, is shown. The density of the soil compilation in the studied areas varied in the range - 1.28 - 1.53 kg / cm3.
 There was also a negative effect on the introduction of physiologically acidic mineral fertilizers, on the physical properties of the arable and subsoil layer. The introduction of CaCO3 has changed the structure of exchange cations at soil absorbing complex and led to the improvement of physical properties of the soil. Positive effects were detected by the use of complex chemical melioration, together with N50P30K55, by-products and aftereffects of siderate.

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