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在北美的农业中已经建立了水土保持耕作制度,大部分耕作制度包括利用地面上的前期作物残茬来保护土壤兔受风力和水力侵蚀.作物残茬量是指单位面积上的残茬干物质重.残茬覆盖度与土壤侵蚀的关系极为密切.
Soil conservation farming systems have been established in North American agriculture and most farming systems include the use of pre-crop residues on the ground to protect soil rabbits from wind and water erosion Crop residues are quantities of residual dry matter per unit area Heavy stubble coverage and soil erosion are closely related.