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。
Rainfall made soil increase more water if the initial soil water content lower.
土壤初始含水量越低，降雨使土壤水分含量增量越大。
In compared with irrigation with saltish water all, irrigation with saltish and fresh alternatively can decrease soil salt content and increase cotton yield.
采用咸淡水交替灌溉可以降低土壤含盐量，增加棉花产量（与完全用微咸水灌溉相比）。
The results showed that soil capacitance increases obviously with increase in soil water content and is little effected by other factors.
结果表明，土壤的电容量随土壤水分的增加而明显地增加，受其它因素的影响较少。
The results indicate that, as a whole, the conductivity of soil enhances with the increase of the content of sand and water.
结果表明，总体上讲土壤的导热系数随砂与含水量增加而增大。
The parameters of Gardner and van Genuchten soil water characteristic curve models went up with the increase of clay content. 2 soil clay content has a great effect on specific water capacity.
黏粒质量分数对土壤比水容量有较大影响，试验土壤在任一水吸力水平下的比水容量值均随其黏粒质量分数增大而增大。
Besides, the rise of the salt content of irrigated water will increase salt content of the surface soil remarkably.
灌水矿化度的升高会显著增加土壤表层的含盐量。
As well as, the content of MDA would increase with drought, and reached the top, when the absolute water content in soil dropped to 2.1%.
丙二醛(MDA)含量随干旱加重而逐渐增加，当土壤绝对含水量降至2.1%时其含量最高。
Soil water content is decreased with the increase of soil water suction.
土壤含水量主要受土壤有机质、土壤质地和土壤胶体性质的影响。
Soil water content is decreased with the increase of soil water suction.
土壤含水量主要受土壤有机质、土壤质地和土壤胶体性质的影响。
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