This compoundmanure could fairly raise the output of paddy in the trail, and as good as N, P, K fertilizers used.
结果表明：该有机复合肥对水稻的增产效果显著，肥效与N、P、K三元复合肥相当，值得进一步研究开发。
2
The invention provides a humic acid organic biological compound fertilizer, which contains active ingredients of activated humic acid, chicken manure, biological bacteria, etc.