China patent no.: 03112663.6 Product character: Black or brown powder/flake, water soluble, pH=8-10 Main ingredient: Alginic Acid: 8-15%, organic matter≥50%, N≥0.5%, P2O5≥3.0%, K2O:18-22%, much secondary element and microelements, cytokinin, betaine, vitamine, trehalase, amino acid. Efficacy: Improve crop's quality, enhance resistance of crops, induce plants to enhance resistance to disease, ...