1) Nitrogen efficiency
氮效率
1.
Effects of plastic film mulching models and nitrogen fertilizer on wheat yield and nitrogen efficiency;
半干旱农田生态系统地膜覆盖模式和施氮对小麦产量和氮效率的效应
2.
)varieties and their physiological properties were studied using a pot experiment and the ratio of seed yield with stressed nitrogen to that with normal N supply was adopted as nitrogen efficiency coefficient.
采用盆栽试验,以氮胁迫与正常供氮条件下籽粒产量的比值作为氮效率系数,探讨了不同品种油菜氮效率差异及其生理基础。
3.
The difference in nitrogen efficiency among 48 cotton varieties was studied in pot experiment by analyzing the plant height,dry matter weight and N content at seeding stage.
通过砂培盆栽试验,分析棉株的株高、干物重以及全氮含量,研究了48个棉花品种苗期氮效率的差异性。
2) nitrogen use efficiency
氮效率
1.
Differences in nitrogen use efficiency among different rape varieties and their physiological basis;
不同品种油菜氮效率差异及其生理基础研究
2.
Genotypic variation in nitrogen use efficiency in summer maize;
夏玉米氮效率基因型差异研究
3.
Studies on the physiological parameters related to nitrogen use efficiency in wheat cultivars with different nitrogen utilization
不同氮素利用效率小麦品种的氮效率相关生理参数研究
3) N efficiency
氮效率
1.
In this study,4 maize hybrids with different N use efficiency(grain yield / N supply) were used to analyze the contribution of vegetative growth and photosynthetic characteristics to N efficiency.
以氮效率不同的4个玉米杂交种(组合)为材料,在两个氮水平下分析了营养生长及光合特征。
2.
In order to improve the N efficiency,pot experiments were carried out to study the difference in grain protein formation between two wheat varieties with different N efficiency and the regulation effects of N form.
为探索提高氮素利用率的途径,采用盆栽方法研究了两个不同氮效率小麦品种籽粒蛋白质形成的差异及不同形态氮素对其的影响。
3.
Based on the selection for nitrogen(N) efficient maize inred lines,the heterosis of N efficiency in maize was analyzed by using the NC-II design.
所以,在氮高效育种中,要注重对母本氮效率性状的选择,尤其是氮吸收效率的选择以及亲本间氮效率性状的优势互补。
4) N use efficiency
氮效率
1.
Response of root growth of rice genotypes with different N use efficiency to enhanced nitrate nutrition;
不同氮效率水稻品种增硝营养下根系生长的响应特征
2.
Thirty-five maize genotypes were selected to measure grain yield, N use efficiency and genotypic response to N fertilizer in a field experiment.
田间条件下选择３５ 个玉米基因型，在３ 个施氮水平下测定其产量、氮效率和氮响应度等性状，结果表明，在同一施氮水平下，不同基因型之间的产量、氮效率和氮响应度存在显著的差异。
5) N supply efficiency
供氮效率
6) nitrogen loss efficiency
脱氮效率
1.
The analysis about nitrogen loss efficiency of A/O improved technology;
A/O改进工艺脱氮效率分析
补充资料：配置效率和生产效率
在经济学上，经济发展的动力，或者说效率的来源，分为两类：一类是配置效率，二是生产效率。所谓配置效率，是指给定资源和技术的条件下，怎么样使资源从边际生产率低的地方流向边际生产率高的地方，从而使得资源和利用更合理、社会总价值达到最大;而生产效率是指如何通过技术进步提高每一种资源的生产率，也就是把社会的生产可行性边界向外移。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条