
NPK Liquid

DUOFEN AGRI Seaweed PK 0-350-450 is a 100% water-soluble liquid compound fertilizer formulated for fast foliar and drip uptake in potatoes and other high-value crops. Built for B2B agricultural supply, it offers quick-release phosphorus and potassium nutrition, pH 7.7-8.2 stability, ISO 9001 manufacturing, customizable packaging, OEM service, and sample availability for importers, distributors, and farm-input brands.
Detailed chemical composition and field application guidance will be updated shortly.