Wholesale Organic Seaweed Powder Fertilizer for Vineyards

Organic seaweed powder fertilizer is a 100% water-soluble foliar and drip-input fertilizer designed for vineyards and other crops to support plant vigor and strengthen resistance to mildew stress. Manufactured by DUOFEN AGRI in Shandong, China, this quick-release green powder offers pH 7-9 stability, ISO 9001-backed production, OEM/custom packaging, and bulk B2B supply from 5,000 units.

• Type: organic seaweed fertilizer powder with quick-release action for fast nutrient uptake
• Solubility: 100% water-soluble green powder for foliar spray, drip irrigation, and aerial application
• Performance: formulated to support vineyard vigor and strengthen crop resistance to mildew stress
• Quality: pH 7-9, ISO 9001-certified production, manufacturer based in Shandong, China