覆膜及氮磷施用量对春玉米主要品质的调控 关键词 ：春玉米；氮磷肥；地膜覆盖；品质 [gap=1227]Key words: spring maize; nitrogen and phosphorus fertilizer; plastic film mulch; quality
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The results are following:The potassium fertilizer obviously increased yield of tumorous stem mustard on the basis of nitrogen and phosphorus fertilizer, and yield of treatment fertilized potassium fertilizer was 12%～36%(average higher 23.4%) greater than it of treatment not fertilized potassium.
结果表明：在氮磷肥底的基础上，施钾肥显著提高了榨菜产量，施钾处理榨菜头产量比不施钾的对照处理高12％～36％(平均高23.4％)。
参考来源 - 钾对榨菜产量和品质的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
This paper studies the effect of nitrogen and phosphorus fertilizer on yield and forage quality of sequential cropping silage maize.
研究了不同氮磷肥处理对复播青贮玉米产量及其饲用品质的影响。
Choose a fertilizer that contains nitrogen, phosphorus, and potassium.
选择含有氮，磷和钾的肥料。
Task: Recover phosphorus and nitrogen from wastewater to make fertilizer.
目的：利用废水回收磷、氮，生产化肥。
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