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。
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.
在这种新型的节水措施下，有利于中层土壤的通透性和根系的呼吸，使根系的生长条件改善。
In this condition it is propitious to aerate and filter in the soil and respire in the roots, at the same time it meliorates roots growth environment.
在这种新型的节水措施下，有利于中层土壤的通透性和根系的呼吸，使根系的生长条件改善。
In this condition it is propitious to aerate and filter in the soil and respire in the roots, at the same time it meliorates roots growth environment.
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