The Research and Preparation of Protective Fungicide ──" Green-Guard ", A Suspending Agent of Copper Subsulfate
绿得保保护性杀菌剂的研制与开发
Propineb is a protective fungicide and rich in free Zn .
丙森锌是一种保护性的杀菌剂，富含作物可利用的锌。
protective fungicideprotective fungicideprotective fungicide