Straw mulched could improve soil granular structure, and increase the content of water-stable aggregates, so the ability of permeability, fertilizer and water conservation got improved.
秸秆覆盖还田促进土壤团粒结构形成，提高了土壤水稳性团聚体含量，从而改善了土壤通透性和保水保肥性。
The soil physical structure and the soil chemical properties in two restoring measurement are obviously improved.
不同恢复措施的土壤物理结构、土壤化学性质均获得明显的改善。
It improved the soil granular structure in a short time, since high molecular compounds naturally degraded into organic matters.
同时，高分子经过自然降解转化为有机物质，可在较短时间内改善土壤结构。
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