The effects of reducing N application on plant N uptake,utilization,and soil N balance in rice-wheat rotation system were studied using field experiments.
田间试验研究了稻-麦轮作体系中减施氮肥对作物氮素吸收、利用和土壤氮素平衡的影响。
参考来源 - 氮肥减施对稻·2,447,543篇论文数据，部分数据来源于NoteExpress
Some women take time "to warm up to it," says Marcella Weiner, EdD, PhD, an adjunct professor at Marymount Manhattan College in Brooklyn, N. Y. "Going in and leaving quickly isn't their thing."
玛赛拉·维纳，教育学博士，同时也是位于纽约州布鲁克林区的玛丽芒曼哈顿学院的副教授，她认为，有些女人是慢慢的才会进入状态，速战速决根本不是她们的风格。
ACTION n: Why not take up a musical instrument or an evening class?
建议：为什么不去学习一种乐器或去夜校上课呢？ ？
Agricultural non-point source pollution was take up 57%> 43% of total N&P pollution loading in Dasong river watershed respectively.
大嵩江流域非点源总氮、总磷污染负荷占整个流域污染负荷的57％、43％。
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