“肥力”造句

传统的刀耕火种农业方式耗尽了土地的肥力。
Traditional slash and burn farming methods have exhausted the soil.

为保持土壤肥力,农民搞作物轮作.
Farmers rotate their crops so that the soil will remain fertile.

蚯蚓吃下大量土壤，排出肥力丰富、物理结构理想的腐殖质。
Earthworms consume large amounts of soil, and produce a rich humus, perfect in texture.

• #肥力