Potassium Phosphite Liquid Fertilizer for Crop Stress Resistance

Potassium phosphite liquid fertilizer is a fast-acting, 100% water-soluble foliar and fertigation input designed to support crop stress resistance and nutrient uptake. Manufactured in Shandong, China by DUOFEN AGRI, it is suitable for wholesale B2B supply, OEM packaging, and customized agricultural programs for grains, soybeans, fruit trees, flowers, and turf.

• Quick-release liquid NPK compound fertilizer formulated as potassium phosphite for rapid crop absorption
• 100% water soluble blue liquid with pH 1.5, suitable for foliar spray, drip irrigation, and drone application
• Applied to corn, wheat, rice, soybeans, fruit trees, flowers, and lawns in commercial farming programs
• ISO 9001 certified production with OEM service, customized packaging, and samples available for buyer evaluation