NPK compound fertilizer NPK is the kind of fertilizer containing two or three elements of Nitrogen, Phosphorus and Potassium. High N series for start stage and some vegetables like spinach and cabbage. High P series for appling after transplanting and for crops like beans.High K series for later stage and crops like potato, tomato, tabacco. It is usually used as top dressing and can also be used as base manure and seed manure. This product is extensively applied to grain crops like paddy, wheat, corn and sorghum and to cash crops including , tea, cotton, gourds, fruits and vegetables. As a manufacturer of agricultural fertilizers, we can adjust percentage of N-P-K and trace element (Ca, Mg, Mn, Zn, etc.) in the compound fertilizer as per customer requirements. Following formulations are popular all over the world. SHANDONG LVFENG FERTILIZER CO., LTD Located in �FORMER CAPITAL OF QI� ZIBO CITY, where the transportation is convenient and developed. Only 200km to Jinan international airport, 300 km to Qingdao international airport, through the Jiaoji railway, the Qingjin expressway. We produce the NPK fertilizer, Water-soluble fertilizer, Organic fertilizer, SSP, TSP, Urea, Ammonium Sulphate, Potassium Sulphate, Ammonium Chloride, Potassium Chloride, Slow-release fertilizer, Chelate trace element fertilizer, Soil conditioner, ect.Especially for the NPK fertilizer, we can produce the different formular as per the customer required, the granular, the powder, and so on, Annual production: 150, 000 tons of NPK, compound fertilizer; 200, 000 tons of Ammonium Sulphate, Urea ect. There are hundreds of efficient universal and special compound.