The coupling effect of water and nitrogen on cotton yield and water use efficiency(WUE) was studied under different drip irrigation patterns.
研究施肥量和灌水量对不同滴灌模式棉花产量、水分利用效率（WUE）的水氮耦合效应影响。
This paper summarizes the status of fertilizing of wood land at home and abroad and introduces the concept and meaning of water use efficiency and nitrogen use efficiency.
概述了国内外林地施肥的现状，简要论述了氮肥利用效率和水分利用效率在农林业生产中的意义。
There were indistinct difference in water use efficiency and significantly higher nitrogen use efficiency, compared with the traditional irrigation fertilization.
水分利用效率无显著性差异，氮肥当季利用率显著提高。
Mid - nitrogen treatment (N2) had the highest yield, the higher water use efficiency and the best yield component factors compared to the other nitrogen nutrition treatment.
中氮处理(N2)具有最高的产量、较高的水分利用效率和最佳的产量构成要素。
The two genotypes winter wheat group water use efficiency increased under nitrogen treatment, and Xiaoyan 22 are higher than Xiaoyan6.4.
就两个基因型品种而言，小偃22的水氮利用效率显著高于小偃6号。
The two genotypes winter wheat group water use efficiency increased under nitrogen treatment, and Xiaoyan 22 are higher than Xiaoyan6.4.
就两个基因型品种而言，小偃22的水氮利用效率显著高于小偃6号。
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