Formation of humus state and nutritive regimen of soil for cultivation of corn for grain in crop rotation at irrigation

Studies of the influence of different technologies of ordinary chernozem cultivation on the reserves of productive moisture for growing corn for grain and winter wheat in the steppe zone of Ukraine The parameters of productive moisture at the technology of growing field crops with "zero tillage" of the soil ("No-till") relative to the shelf plowing are determined. Inserted. That the system "No-till" contributes to a significant reduction in moisture loss due to unproductive evaporation at a high rate of absorption of precipitation, provides reliable protection of soil from erosion. When covering the soil surface close to 100% in summer under corn, the reserves of productive moisture in the root layer are 1.5 and more times higher than the corresponding reserves with traditional technology; in the absence of mulch, the humidification regime with the technology without tillage is more intense than traditional. The regime of soil moisture under winter wheat for corn for silage is better by "zero" technology, but no significant difference between the options for an average of 3 years. In the snowless winter with "zero" technology with mulch, the height of snow cover was 3.2 times higher than traditional technology. It was found that a prerequisite for growing crops without tillage in the area of insufficient moisture is the creation of a thick layer of mulch due to the non-commodity share of crop yields, which in crushed form remains on the soil surface. Projective mulch coverage of 100% or close to this level is the key to the widespread introduction of cultivation technologies without tillage in arid steppe conditions.

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Hydrogen mode of black earth normal in tekhnology "No-till"

Bulygin

Vitvitskyy

Bulygina

et al. 2021

Rosl. g̀runtozn.

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Formation of humus state and nutritive regimen of soil for cultivation of corn for grain in crop rotation at irrigation

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Hydrogen mode of black earth normal in tekhnology "No-till"

Hydrogen mode of black earth normal in tekhnology "No-till"

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