指土壤水分汽化并向大气扩散的过程。
在非他和含水量下，土壤水分蒸发强度与土壤有机质和容重呈抛物线状；
Under the condition of unsaturated capacity, the evaporation intensity of soil water has parabola in evaporation with the content of soil organic matter and bulk density.
探讨了在田间及实验室条件下的土壤的有机质含量与土壤水分蒸发的关系。
This paper studies the relationship between content of organic matter and water evaporation in black soil under the condition of field and laboratory.
该膜抑制土壤水分蒸发，利于吸收较多的太阳能，从而改善土壤中的热状况。
The formed membrane improved heat energy status of the soil by restraining soil water to evaporate and absorbing more solar energy.
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