Crop rotations ensuring the greatest yields under dry conditions of the lower ?olga region water-saving irrigation regimes for vegetable crop production under conditions of Volgadon interfluve
An estimation of agro-biological methods in crop rotation of dry-steppe zone of light chestnut soils of the Lower Volga region. The effectiveness of a grain-fallow four-field crop rotation. The balance of humus. A positive balance of organic matter.
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