Benefits of humic acid fertilizers

Humic acid fertilizer is an organic fertilizer. Natural humic acid is formed by decomposition of plant residues. Dry soil, river mud and shallow buried weathered coal, grass charcoal and lignite are widely found. Containing carbon, hydrogen, oxygen, nitrogen and other elements, has a certain fertilizer effect, but most of them are difficult to dissolve dry water, if combined with potassium, sodium, ammonium and other substances, dried and ammoniated, it is easy to be absorbed by plants as nutrients.