saturation of soil available water 土壤有效水饱和度
soil available water-storage capacity 土壤有效水
available soil water 土壤有效水
available soil water amount 土壤有效含水量
available soil water content 土壤有效水含量
The mathematics model for the relationships among soil available water content with soil texture, particle diameter and dosage of super absorbent ploymer(SAP) was deduced.
结果表明：土壤质地、保水剂用量对土壤有效水含量的影响达到极显著水平，而保水剂粒径对土壤有效水含量的影响不显著。
Soil available water capacity (AWC) plays an important role in the evaluation of drought resistance of soil, planning and managing water resources and conducting irrigation.
土壤有效含水量（AWC）是评价土壤抗旱性、水资源规划和管理以及指导灌溉的重要依据。
Though the wilting coefficient of soil tend to increase as water retaining agents increased, the amplitude was low, so the soil available water capacity augmented obviously.
土壤凋萎系数虽有增大趋势，但增幅很小，土壤有效水容量明显增大。
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