The content of the available ferrum enhanced by recycled straws, but that of the available zincum, copper and manganese had no changed obviously in soil.
秸秆直接还田提高了土壤的有效铁含量,但对有效铜、有效锌和有效锰含量影
不大。
The content of the available ferrum enhanced by recycled straws, but that of the available zincum, copper and manganese had no changed obviously in soil.
秸秆直接还田提高了土壤的有效铁含量,但对有效铜、有效锌和有效锰含量影不大。
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