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.
研究了不同氮磷肥处理对复播青贮玉米产量及其饲用品质的影响。
Finally, the horizontal nitrogen phosphorus potassium fertilizer of different yields join in marriage proportion brought into effect and the fittest capacity using were discussed.
最后讨论了不同产量水平氮磷钾肥配施的比例和最适施用量。
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.
氮磷化肥配施有机肥具有持续提高产量、培肥土壤的双重效果，是砂姜黑土培肥改良较理想的施肥方式，但同时要注意钾素的补充。