Improve and fertilize the soil. Increase product output and promote crop quality. Improve the utilization rate of fertilizer. Specifications:N+P2O5+K2O≥5%Organic matter≥30%Organic phosphorus≥13%PH : 6-7.8Product Formula :silkworm faeces, soya-bean cake,humic acid, animal bone meal,bran ash,sugar residue,fermentative active beneficial bacteria, medical stone powder,plant ash, magnesium sulfate and ...