氮吸收效率的遗传力大于氮利用效率。
The genetic ability of N uptake efficiency was higher than that of N utilization efficiency.
子粒、叶片含氮量和氮利用效率的遗传率相对较高。
The heritability of N content in grain and leaf and N utilization efficiency were high.
氮平衡试验表明，IL可提高干物质消化率和氮利用效率。
From the N balance trials, it can be inferred that broiler reared under IL have improved DM digestibility andefficancy of dietal N retention.
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.
本发明涉及能够在植物中赋予提高的氮利用效率的性状的核酸分子和它们的相应的编码多肽。
The present invention relates to isolated nucleic acid molecules and their corresponding encoded polypeptides able to confer the traits of improved nitrogen use efficiency in plants.
通过对反刍家畜营养生理的认识，阐述如何提高饲料蛋白质和非蛋白氮在反刍家畜生产中的利用效率。
Through to ruminant livestock nutrition physiology the understanding, elaborated how enhances the feed protein and the nonprotein nitrogen in ruminant livestock production the use efficiency.
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。
The coupling effect of water and nitrogen on cotton yield and water use efficiency(WUE) was studied under different drip irrigation patterns.
而增加氮、磷投入亦能提高水分利用效率。
Fertilizer use efficiency will decrease when nitrogen and phosphor are increased.
选择合适作物种类进行间作，可提高作物对氮磷的利用效率。
Choosing the appropriate crops to carry on intercropping may enhance the efficiency of crops using the nitrogen phosphorus.
可见，小麦氮素含量和氮素利用效率的遗传模型在不同的水氮环境中不完全一样。
It is thus evident that the genetic models of nitrogen concentrations and nitrogen utilization efficiency of wheat in different water and nitrogen environments were different.
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。
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.
水稻是中国主要的粮食作物，氮是作物吸收利用的大量元素之一，水稻对氮的吸收利用效率成为人们关注的焦点。
Rice is one of the main crops in China and requires a lot of nitrogen fertilizer to ensure high yields.
施氮对冬小麦产量和水分利用效率有显著促进作用。
Nitrogen fertilizer had significant promoting effect on yield and water use of winter wheat.
不同施氮措施条件下，对保护地黄瓜生育期内氮素吸收利用效率、氮素淋洗损失进行了研究，同时也研究了不同处理对黄瓜产量及品质的影响。
Effects of applying different nitrogen fertilizer on yield, quality and nitrate leaching in soil layer were studied during the cucumber growth period in greenhouse.
不同施氮措施条件下，对保护地黄瓜生育期内氮素吸收利用效率、氮素淋洗损失进行了研究，同时也研究了不同处理对黄瓜产量及品质的影响。
Effects of applying different nitrogen fertilizer on yield, quality and nitrate leaching in soil layer were studied during the cucumber growth period in greenhouse.
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