...;秸秆还田;微生物活性;土壤酶;黑土 [gap=1912]Key words: low-temperature agent; straw returning; microbial activity; soil enzyme; black soil ...
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soil microbial activity 土壤微生物活性
aerobic microbial activity 需氧微生物活动性
microbial activity in soil 土壤微生物活性
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