conserving soil fertility 保持土壤肥力
conserving soil and water 保持水土
Soil conserving crop 保土作物
soil-conserving 保护土壤的
soil conserving crops 水土保持作物
soil-conserving plants 水土保持植物
It is a national measure for utilizing water resource, conserving soil and fertility and achieving high yield.
是合理利用水资源，保土、保肥，能蓄能排的旱地节水农业夺取作物高产的有效措施。
While level terrace had the functions of conserving soil and water storage, it increased the possibility of the soil pollution too.
水平梯田在具有蓄水、保土的功能的同时，也增加了土壤污染的可能性。
Grassland vegetation plays active and important role in conserving soil and water, particularly in the eco-environment construction on Loess Plateau.
草本植被具有积极的保持水土的作用，在黄土高原生态环境建设中具有不可替代的作用。
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