Contour tillage reduces water erosion.
等高耕作可以减少水侵蚀。
Reasonable agronomic management practices can conserve black soils from erosion and regain black soil fertility, including contour ploughing and conservation tillage.
合理的农业管理措施，如等高耕作和保护性耕作可以在很大程度上控制黑土侵蚀，保持和恢复黑土肥力。
Reasonable agronomic management practices can conserve black soils from erosion and regain black soil fertility, including contour ploughing and conservation tillage.
合理的农业管理措施，如等高耕作和保护性耕作可以在很大程度上控制黑土侵蚀，保持和恢复黑土肥力。
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