因此，秸秆施用是保持和提高土壤氮素营养的有效措施。
Therefore, straw mulching is an efficient measure to maintain and improve the regime of soil nitrogen nutrition.
BIOLOG碳源利用分析结果表明在秸秆施用下接种蚯蚓后土壤的微生物群落组成发生明显变化。
It was indicated that soil microbial community composition changed significantly under straw application and earthworm activities using BIOLOG carbon utilization analysis.
试验结果表明，长期施用有机肥料和秸秆还田可明显促进土壤有机质和易氧化有机质的积累，而难氧化有机质和KOS值降低。
The research showed that the organic matters and active organic matters increased obviously, but the inactive organic matters and KOS value decreased with long-term application of organic fertilizer.
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