Wholesale Potassium Phosphite Liquid Foliar Fertilizer

Potassium phosphite liquid fertilizer is a fast-absorbing, fully water-soluble foliar and irrigation input designed for efficient phosphorus and potassium delivery in commercial agriculture. Manufactured in Shandong, China by DUOFEN AGRI, this liquid compound fertilizer supports large-scale crop programs with OEM packaging, ISO 9001 production, and application flexibility for foliar spray, drip irrigation, and drone spraying.

• 100% water-soluble liquid potassium phosphite for quick absorption and efficient foliar uptake
• Suitable for B2B wholesale, private label, and customized packaging with MOQ 2000
• Technical profile: Type NPK, quick-release liquid, pH 1.5, blue appearance, compound fertilizer classification
• Produced by DUOFEN AGRI in Shandong, China with ISO 9001 certification and sample availability