优化施氮
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Only combining optimized N fertilization technology and other technology for high yield could best use N fertilizer.
优化施氮技术必须和其它高产栽培技术相结合才能达到氮肥的高效利用。
·2,447,543篇论文数据，部分数据来源于NoteExpress
The main content as follows:(1) The yields of optimized N fertilization treatment and conventional N fertilization treatment were no significant differences and all achieved target yield.
研究结果如下：（1）优化施氮处理的棉花产量和传统施氮处理相比无显著性差异，且都达到了目标产量；
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