seaweed extract essence foliar fertilizer PH=6-10, specific gravity: 1. ... matter 8% ASD-002 Seaweed Extract Essence Fertilizer Liquid Product character:Black brown liquid, water soluble, PH=6-10, specific ... alginic acid≥30g/L, organic matter≥8%, , N≥0.5%,, K2O≥6%, I≥300ppm, much secondary element ... by 15-35%. Mature ahead of 5-7 days than usual. Degradation of pesticide and chemical fertilizer residue ...