This product is according to the growth characteristic of potatoes andrenewal rule and the demand of the pollution-free, pollution-free,after determination of soil nutrient, adopt scientific formula refinedbut become. This product nutrient comprehensive, in addition tocontaining the main nutrients, nitrogen, phosphorus, potassium and alsocontains boron and calcium, sulfur, trace elements and plants such asactivator, in addition to meet the nutritional needs of growth anddevelopment, stimulate and promote the growth of potatoes, and make thequantity of fruit, growth of uniform, smooth appearance, beauty, torecognize drought waterlogging, cold heat, and can improve the diseaseresistance of potato ability, reduce plant diseases and insect pests.Long-term use of this product, not only can improve the effect of loosesoil, soil improvement, soil structure, and can improve the potatovitamin content and soluble solids content, prolong storage freshness,reduce the nitrate content, make it taste better, to improve the effectof yield and quality. 40 kg net content: