It embodied that the content of soil organic matter increased, soil unit weight improved, and the number of soil microorganism increased.
具体表现在增加了土壤有机质含量，有利于土壤容重的改善，同时增加了土壤微生物种群和数量。
The effects of high intensity fires on soil unit weight, porosity and separate coefficient were significant.
高强度火烧对土壤容重、孔隙度和分散系数的影响均显著。
However, the difference of soil moisture increase with the soil depth among 4 mulching materials. All mulching can decrease soil unit weight. And straw mulching has the most effects.
随着土壤深度增加，不同覆盖处理之间土壤水分含量差异增大。4种材料覆盖均有利于降低土壤容重，其中以秸秆效果最显著。
However, the difference of soil moisture increase with the soil depth among 4 mulching materials. All mulching can decrease soil unit weight. And straw mulching has the most effects.
随着土壤深度增加，不同覆盖处理之间土壤水分含量差异增大。4种材料覆盖均有利于降低土壤容重，其中以秸秆效果最显著。
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