Field studies also showed that proper concentration of polymers could effectively improve water supply and moisture holding capacity, so as to improve the survival rate of seedlings.

野外应用表明，适当浓度的保水剂可以有效提高土壤保水能力和供水能力，提高苗木根冠比和成活率。

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Experimental results show that fine texture soil layer overlying coarse texture soil layer can markedly increase water-holding capacity and get some supplement of water after reaching field capacity.

实验结果表明，细粒土壤下垫有粗粒土壤时，上部细粒土壤的持水能力有明显的提高，可以超过最小持水量而得到若干补充水量。

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Farmers plant a warm-season perennial grass and fallow the field for two years, improving soil quality and water-holding capacity.

FORBES: New Technology Reduces Agricultural Water Consumption