Humic Acid Urea

1 Zonsezi ndi humic acid urea.
(2) Kuti tipange mankhwalawa, ma humic acid omwe tidagwiritsa ntchito ndi osungunuka a humic acid, kutanthauza kuti ndi mineral fulvic acid.
(3) Monga latsopano wobiriwira zachilengedwe chitetezo zachilengedwe fetereza ndi yaitali pang'onopang'ono kumasulidwa nayitrogeni fetereza, si ali ndi ntchito zisanu za asidi humic mu ulimi: kuwongolera nthaka, kulimbikitsa feteleza Mwachangu, zolimbikitsa zomera kukula, utithandize zomera kukana maganizo, kuwongolera khalidwe mankhwala, komanso akhoza mogwira kulamulira kumasulidwa ndi kuwonongeka mlingo wa urea.