
Potassium phosphite

Liquid potassium phosphite 0-52-34 is a fully water-soluble phosphite fertilizer and plant growth regulator for professional agriculture. Manufactured by DUOFEN AGRI in Shandong, China, it is designed for foliar spray, drip irrigation, and drone application, with fast nutrient release, strong compatibility for bulk supply, and OEM/custom packaging options for importers, distributors, and agricultural brands.
Detailed chemical composition and field application guidance will be updated shortly.