短語詞組短語nitrogen basic fertilizer 氨基肥nitrogen chemical fertilizer 氮化肥nitrogen phosphorus fertilizer 氮磷肥Nitrogen in fertilizer 化肥氮素Nitrogen applying fertilizer technology 氮素施肥技術(shù)iron nitrogen compound fertilizer 鐵;鐵氮復(fù)合肥Potassium nitrogen mixed fertilizer 氮鉀二元復(fù)混肥nitrogen -fertilizer management 氮肥管理nitrogen additional fertilizer 氮追肥 返回 nitrogen fertilizer