Nitrogen fertilizer utilization rate的用法和样例:
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。