氮素利用效率与作物生育期降水量有很大关系。
Nitrogen using efficiency mainly relates with precipitation during crop growth stage.
相关性分析可知，氮素吸收效率对氮素效率的贡献大于氮素利用效率。
Based on the results of correlation analysis, nitrogen absorption efficiency contributed more to the nitrogen efficiency than nitrogen utilization efficiency.
小麦亲本氮素利用效率的遗传聚类分析，将137个小麦亲本分为三类。
The results of genetic cluster analysis of N utilization efficiency showed that 137 wheat parents could be divided into three types.
选用氮素高效基因型和合理的氮肥调控是目前提高水稻氮素利用效率的有效途径。
Efficient genotypes and reasonable nitrogen fertilizer management are effective measures to increase nitrogen uptake and utilization efficiency in rice.
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.
提高小麦的氮素利用效率是优质、高产、高效、无污染作物生产急需解决的重要问题。
It is important for the crop production of high quality, yield, and efficiency and unpolluted to improve nitrogen use efficiency (NUE) in wheat.
根据整个系统在氮素利用上的潜力和物流状况，本文提出了提高系统氮素利用效率和增强系统稳定性的途径与措施。
Based on the potentials of nitrogen utilization and the state of material flow, measures for raising nitrogen conversion efficiency and enhancing whole system's stability were put forward.
在江苏南京地区，研究了肥料运筹对杂交狼尾草氮素吸收利用效率和植株硝酸盐含量的影响。
Effects of fertilizer application on nitrogen utilization efficiency and nitrate content in hybrid Pennisetum was studied in Nanjing, Jiangsu province.
添加玉米残体能够促进氮素从营养器官向籽粒中转移，提高氮素养分的利用效率。
It also promoted the transfer of nitrogen in corn into its kernel, so as to increase the nitrogen use efficiency.
在不同土壤条件下，水稻施用氮肥的增产效应、氮肥利用效率和对氮素的积累与分配均存在显著的基因型差异。
Under different soil conditions, there were significant genotypic differences in effects of applying nitrogen fertilizer on nitrogen use efficiency, yield and characters of nitrogen uptake.
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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