On the basis of the researches of others, the writer enough considered soil fertility on different soil types, amply calculated soil effective coefficient.
在已有研究的基础上，充分考虑了不同类型土壤的肥力特征，详细地计算了土壤有效系数。
On the basis of the researches of others, the writer enough considered soil fertility on different soil types, amply calculated soil effective coefficient.
在已有研究的基础上，充分考虑了不同类型土壤的肥力特征，详细地计算了土壤有效系数。
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