In addition to the alginate, the algae contains essential elements nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), magnesium (Mg), sulfur (S), iron (Fe), manganese (Mn), copper (Cu), zinc (Zn), molybdenum (Mo), boron (B), etc.
It also contains 18 protein amino acids which can be directly absorbed by plants, and plant growth substances (auxin, cytokinin, gibberellin, etc.) that have significant effects on plant physiological processes. It also contains vitamins, nucleotide, humic acid and plant resistance. Seaweed extract is an ideal all-functional seaweed fertilizer, which is a combination of plant nutrients, bioactive substances and plant resistance.