... or brown powder, water soluble, pH=8-10Main ingredient: Alginic Acid: 8-15%, organic matter≥50%, mannitol: 1-6%, N≥0 ... ; much secondary element and microelements, cytokinin, betaine, vitamine, trehalase, amino acid.Efficacy:Improve crop's quality, enhance resistance of crops, induce ... after spraying.Validity: Three years seaweed extract powder with high potassium