1) nitrogen physiological efficiency
氮素生理效率
1.
The dynamic variation for biomass,nitrogen absorbing amount and nitrogen physiological efficiency of oilseed rape during their growth developmental stages were studied.
为了给油菜科学施用氮肥提供依据,对油菜生长期间干物质累积、氮素吸收量及氮素生理效率的动态变化进行了研究。
2) physiological N-use efficiency
氮素利用生理效率
1.
The results showed that:The additive effects was principal in dry weight and physiological N-use efficiency at maximum tillering stage,dry weight(DWB)and physiological N-use efficiency at booting stage under N-fertilize and N-unfertilized conditions,physiological N-use efficiency at .
结果表明,最高分蘖期和孕穗期的干物重和氮素利用生理效率,在两种氮素水平下亲本的加性效应均对 F_1起主导作用,而收获期氮素利用生理效率在施氮条件下遗传变异主要来自基因的加性效应,而未施氮条件下主要来自于非加性效应;产量的遗传变异在施氮条件下来自基因加性和非加性效应,而未施氮条件下主要来自基因加性效应。
3) Physiological N use efficiency
氮生理利用效率
4) N physiological efficiency
氮素生理利用率
5) NUEg
氮素籽粒生产效率
1.
Through testing seed yield,total nitrogen and nitrogen utilization efficiency(NUEg) of four parents and their F1 combinations from 4×4 complete double allele crosses,the main results were summarized as follows: ①F1 combinations had significant superiority over high-parent and heterosis in the total nitrogen and NUEg.
通过测定4个甘蓝型油菜亲本及其完全双列杂交组合的氮素吸收总量、氮素籽粒生产效率等性状,研究氮素吸收利用的遗传效应,结果表明:①氮素吸收总量、氮素籽粒生产效率两性状的杂种优势比较明显,均表现超高亲优势。
6) Nitrogen efficiency for plant biomass
氮素干物质生产效率
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