...；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
It is beneficial to supply consistent nutrition in the middle-late growth stage when more organic matter is decomposed by stronger microbial activity.
较强的微生物活性能够促进有机质转化分解，有利作物中后期养分的持续供应。
All fermentative processes are the results of microbial activity.
一切发酵过程都是微生物作用的结果。
First, the synthesis method and anti-microbial activity of bromo-sorbic acid were studied.
第一部分为溴代山梨酸的合成方法和抗菌作用研究。
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