Humic acid active organic compound fertilizer, according to the principle of balanced fertilization, application of advanced technology, research and development of new fertilizers, consisting of : calcium, magnesium, sulfur, zinc, boron, iron, manganese,
Humic acid active organic compound fertilizer, according to the principle of balanced fertilization, application of advanced technology, research and development of new fertilizers, consisting of : calcium, magnesium, sulfur, zinc, boron, iron, manganese,
活性有机腐植酸复合肥，根据平衡施肥原理，应用高科技方法，研究、开发的新型肥料，内含：钙、镁、硫、锌、硼、铁、锰、硅等中微量元素。