Effects of fertilizer application on nitrogen utilization efficiency and nitrate content in hybrid Pennisetum was studied in Nanjing, Jiangsu province.
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。
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.
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。
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.
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。
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