氮磷肥 meaning in English

nitrogen phosphorus fertilizer

Effect of long - term straw combination to fertility on potassium forms
秸秆与氮磷肥长期配施对土壤钾素形态的影响
N and p fertilizers applied is one of the greatest effective measures that improve the grain yields in china , , but it lead to anxious environment problem
氮磷肥料作为我国粮食增产最有效的措施之一，带来了令人担忧的环境问题。
The study also discovered that both the present fertilization system based on inorganic n and inorganic p and the present system of continuous cropping of corn had greats effect on balance of soil nutrients
研究还发现，现行的以无机氮磷肥为主的施肥制度和玉米连作种植制度对土壤养分平衡有很大影响。
In addition , the production functions shown are based on a given amount of nitrogen and phosphorus fertilizer and are based on trials in a particular province ( hubei ) in a particular year ( 1986 )
另外，这两个生产函数都是在一定的氮磷肥用量水平下，按照某个特定的省（湖北）在某个特定年份（ 1986 ）的实验而得出。