The sand storm would not happen if the soil water content was more than 7%.
实验表明当土壤含水量高于7%时，任何土壤都不会产生沙尘暴。
The result show when water supply tension was increased, soil water content was declining slowly;
结果表明：随着供水吸力的增大，土壤含水量逐渐减少；
The water content of soil up to 100% is favorable to growth of rice.
土壤含水量达到100%时有利于水稻的中后期生长。
The water content of soil up to 100% is favorable to growth of rice.
土壤含水量达到100%时有利于水稻的中后期生长。
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