Summary
For the rational use of rain-fed lands in the south-east of Kazakhstan, the influence of various methods of tillage on their water-physical properties was studied. The density of the soil under the studied crops in the arable layer of 0-30 cm showed significant differences in the methods of its processing, in spring it was in a loose and slightly compacted state and amounted to 1.17-1.22 g/cm3, and during harvesting, soil compaction was observed at the level of 1.29-1.32 g/cm3, especially with zero tillage. Tillage methods had a greater impact on the structural and aggregate composition of the soil than on the growth and development of the studied crops. The structural condition of the crops was at a medium-high level, amounting
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