
Potassium phosphite

Potassium phosphite liquid fertilizer is a quick-release, 100% water-soluble compound fertilizer designed for foliar spray, drip irrigation, and drone application in modern agriculture. Manufactured by DUOFEN AGRI in Shandong, China, this blue liquid phosphite fertilizer offers ISO 9001 quality assurance, OEM and customized packaging support, and a B2B MOQ of 2000 units for distributors, importers, and agricultural supply buyers.
Detailed chemical composition and field application guidance will be updated shortly.