...普资讯网 片δ^13C值和C／N分别指示植物的水分利用效率（water use efficiency，WUE）和氮素利用效率（nitrogen use efficiency，NUE）．研究发现：1）随着生境恢复程度的提高，马尾松与木荷的δ^13C值均呈下降趋势，其中木荷对环境的响应...
基于4个网页-相关网页
...网 片δ^13C值和C／N分别指示植物的水分利用效率（water use efficiency，WUE）和氮素利用效率（nitrogen use efficiency，NUE）．研究发现：1）随着生境恢复程度的提高，马尾松与木荷的δ^13C值均呈下降趋势，其中木荷对环境的响应...
基于2个网页-相关网页
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.
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.
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.
应用推荐