Abstract
The article presents the results of research on the yield of spring wheat cultivated by the main treatment of leached chernozem carried out at different soil depths (28–30 and 20–22 cm) in the northern foreststeppe of the Tyumen region. It was found that the main tillage carried out to a depth of 28–30 cm after harvesting annual grasses (the predecessor of the first group) when preparing the field for sowing spring wheat (the predecessor of the second group) is more effective in comparison with the depth of treatment by 20–22 cm
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