potassium fertilizer organic, K can be 6%,8%,10%, can be used as ... fertilizer,or top dressing fertilizer,Enhanced Plant Growt potassium fertilizer organic, including Potassium humate,sodium humate, and humic acid compound fertilizer ... , NPK5%,NPK8%,etc. The detailed information is as follows:Organic: 20% - 70%;Humic acid: 45%-70%;N:5%-15 ...