... preservation 持续; 持续; 保存 preservation of soil moisture 保墒 preservative 防腐剂; 防腐剂 ...
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It is suitable preservation of soil moisture and poplar root recover and renew.
该技术的应用有利于保墒和根系的恢复与再生；
The Book pointed out that there existed relation among soil management, preservation of soil moisture and preservation of soil fertility.
书认为土壤管理、保墒和保肥是相互联系的。
Also improve soil texture, prevent compaction and enhance the ability of preservation moisture and fertility.
长期使用可改善土壤结构，防止土壤板结，增强土壤保水、保肥、保温透气性。
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