the utilization rate of nitrogen
英
美
- 氮肥利用率
双语例句
- Effect of the regionalized balanced fertilization on nitrogen utilization efficiency and soil nutrient balance was studied.
本文研究了分区平衡施肥技术对氮肥利用率和土壤养分平衡的影响。 - This paper studied the low efficiency of nitrogenous fertilizer of our county, the cause of fertilizer losing and its calamity.
摘要本文主要探讨了目前我国氮肥利用率低下，肥料损失的原因及危害。
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