“长山牌”多元素复合肥含氮15％、磷15％、钾15％、锌0．5％，硅、钙、镁3％，同时还可根据不同土壤、作物需要和用户要求调整其养分结构，并增加其它微量元素，如硼、锰、铜、钼、铁等。作物施用后，能使作物早期发育好，增加茎秆强度，根系发达，子粒饱满，并具有耐寒、抗病 The “Changshan” multi-element compound fertilizer contains 15% of nitrogen, 15% of phosphorus, 15% of potassium, 0.5% of zinc, 3% of silicon, calcium and magnesium and can also be adjusted according to different soil and crop needs and user requirements Nutrient structure, and increase other trace elements, such as boron, manganese, copper, molybdenum, iron and so on. After the crop is applied, the crop can be well developed early, increase the stalk strength, the root system is developed, the grain is full, and has the functions of cold resistance and disease resistance