Agrotechnical measures of soil conservation and fertility restoration of chernozem
Keywords:
soil degradation, soil conservation, wind erosion, soil structure, minimization of tillage, humus, typical chernozem, ordinary chernozemAbstract
The results of studies of the effect of soil tillage and fertilizer systems on the fertility of chernozem soils of the forest-steppe and steppe of Ukraine are presented. Minimization of soil tillage contributed to an increase in the humus content in the arable layer of typical chernozem and ordinary chernozem. To prevent dehumification and preservation of the organic matter of chernozem, a common application of straw, green manure and mineral fertilizers with soil conservation tillage is recommended.
Soil conservation tillage with the organo-mineral fertilizer system improved the indicators of the structural state of the typical chernozem. The use of soil conservation crop growing technology and no-till technology positively influenced the coefficients of soil structure and contents of aggregates larger than 1 mm in ordinary chernozem, which increased their resistance to wind erosion.
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