准确预测和预报田间土壤水分的动态变化过程是土壤水分高效利用的关键。
To predict accurately the dynamic movement of soil water is a key for high-efficient use of soil water.
另外，本文从工程措施、用水分配管理等方面对南渡江河口水资源的高效利用进行了研究。
In addition, high efficiency utilization of water resources of Nandujiang River Estuary was studied from the aspect of engineering measures and water distribution and management.
通过研究固定根区水分胁迫下氮形态对玉米水分利用的调节与作用机制，为局部根区灌溉水氮高效利用提供理论依据。
Regulation and the mechanisms of nitrogen form on water utilization of maize under fixed partial root-zone water stress conditions were investigated.
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