High Nitrogen Humic Acid Liquid Fertilizer Manufacturer

High Nitrogen Humic Acid Liquid Fertilizer is a 100% water-soluble organic fertilizer designed to promote crop growth through foliar spray, drip irrigation, and drone application. Manufactured in Shandong, China by Duofen, it offers stable liquid performance, pH 7-9 compatibility, and flexible OEM, packaging, and bulk wholesale supply for agricultural distributors and farm input buyers.

• Organic high nitrogen humic acid liquid fertilizer for rapid nutrient delivery and crop growth promotion
• 100% water-soluble dark brown liquid, suitable for foliar spray, drip irrigation, and drone application
• Applicable to rice, wheat, corn, barley, spinach, lettuce, Chinese cabbage, and other field or vegetable crops
• Manufactured by Duofen in Shandong, China with ISO 9001 certification, sample availability, and OEM support