Lemandou Amino Acid Series Organic Fertilizers were produced using national patent technology. The fertilizer is well adapted to current soil and crops. It contains not only the elements, such as N, P, K, Ca, Mg, Zn, but also organic materials,amino acid and humic acid. It has both the quick acting of chemical fertilizer and the long acting of organic fertilizer. Additionally, it also has the specific acting of amino acid and microelement. The fertilizer can increase the crop output, promote the crop growth and reduce diseases and pests. It can be used as base fertilizer and topdressing. Contrasting with others, it has following characteristics.