nitrogen applying quantity 施氮水平
nitrogen applying technology 氮肥施用技术
applying nitrogen 施用氮肥
The effects of a nitrogen applying stage on both sucrose synthesis in flag leaves and cleavage in grains of wheat were studied by using HPLC and enzymological methods.
采用HPLC和酶学测定方法，研究了追氮时期对小麦开花后旗叶中蔗糖合成和籽粒中蔗糖降解的影响。
Only using boron fertilizer in field did not significantly increase sesame yield, but applying boron fertilizer coordinated with nitrogen and phosphorus had greatly increased the yield.
田间试验结果，单施硼肥增产不显著，而在适量氮肥和磷肥的基础上配合施用硼肥能显著地增加芝麻的产量。
The influence of applying nitrogen fertilizer to nitrogen mineralization was studied in paddy soil.
对稻田土壤施外源氮对氮素矿化的影响进行了研究。
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