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Humic acid
Humic acid ndioyenera mitundu yonse yazomera, monga mbewu, masamba, zipatso, ndi maluwa. imatha kupititsa patsogolo ntchito za michere yambiri, ikuthandizira kukula kwa photosynthesis ndi kupuma. Chifukwa chake, chipatsocho chidzakongoletsedweratu, kukwaniritsa zokolola zambiri komanso mtengo wapatali.
