配施化肥 NPKS

有机肥配施化肥 NPKM

单施化肥 NPK ; singal application of chemical fertilizer

只施化肥种植作物 PCF

机械深施化肥技术 Agricultural Machinery Quality & Supervision

二氧化碳施肥 [肥料] carbon dioxide fertilization

教别人怎样施化肥 Son vunz dwk vafeiz

化肥施肥机 chemical manure fertilizing machine

优化施肥 optimized fertilization ; Nopt ; optimizing fertilization ; Optimum fertilization