Potassium humate fertilizer, K can be 6%,8%,10%, can be used as base fertilizer,or top dressing fertilizer,Enhanced Plant Growth Humic acid fertilizer, including ... Potassium humate,sodium humate, and humic acid compound fertilizer, NPK5%,NPK8%,etc. The detailed information is as follows:Organic: ... %;Humic acid: 45%-70%;N:5%-15%;P:5%-15%;K:5%-15%;Moisture: 5% - 20%;Granular: 2mm-8mm;Odour: non ;