人们开始越来越多地使用脱水后的动物粪便作为替代燃料，这同样会损害土壤，因为这些珍贵的土壤改良剂和植物养分的来源将无法再回归到土壤之中。
The increasing use of dried animal waste as a substitute fuel has also hurt the soil because this valuable soil conditioner and source of plant nutrients is no longer being returned to the land.
直立的一年生或两年生植物，广泛栽培，尤其用于干草和土壤改良。
Erect annual or biennial plant grown extensively especially for hay and soil improvement.
是优良的植物栽培介质和土壤改良产品。
It is good plant helps advance somebody's career medium and soil improvement product.
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