nitrogen phosphorus fertilizer

基本解释

This paper studies the effect of nitrogen and phosphorus fertilizer on yield and forage quality of sequential cropping silage maize.
研究了不同氮磷肥処理對複播青貯玉米産量及其飼用品質的影響。
Finally, the horizontal nitrogen phosphorus potassium fertilizer of different yields join in marriage proportion brought into effect and the fittest capacity using were discussed.
最後討論了不同産量水平氮磷鉀肥配施的比例和最適施用量。
Nitrogen phosphorus chemical fertilizer combined organic improve yield, more ideal way of fertilizing. But should pay attention to the plain supplement of potassium at the same time.
氮磷化肥配施有機肥具有持續提高産量、培肥土壤的雙重傚果，是砂薑黑土培肥改良較理想的施肥方式，但同時要注意鉀素的補充。