Liquid Potassium Phosphite Fertilizer Manufacturer for Foliar Use

Liquid Potassium Phosphite is a fast-release, 100% water-soluble liquid compound fertilizer designed for foliar spray and drip irrigation in commercial agriculture. Manufactured by DUOFEN AGRI in Shandong, China, it features a blue liquid appearance, pH 1.65, ISO 9001 certification, OEM/ODM support, customized packaging, and suitability for fruit trees, vegetables, grapes, citrus, strawberries, flowers, and field crops.

• B2B supply from China factory with MOQ 2000 units for wholesale and private label programs
• Quick-release liquid potassium phosphite fertilizer with 100% water solubility for efficient nutrient delivery
• Suitable for foliar spray, drip irrigation, and drone-based crop management applications
• ISO 9001 certified production with sample availability, customized packaging, and OEM/ODM support