This product is according to the growth characteristic of potatoesandrenewal rule and the demand of the pollution-free,pollution-free,after determination of soil nutrient, adopt scientificformula refinedbut become. This product nutrient comprehensive, inaddition tocontaining the main nutrients, nitrogen, phosphorus,potassium and alsocontains boron and calcium, sulfur, trace elementsand plants such asactivator, in addition to meet the nutritional needsof 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 thediseaseresistance of potato ability, reduce plant diseases and insectpests.Long-term use of this product, not only can improve the effect ofloosesoil, soil improvement, soil structure, and can improve thepotatovitamin content and soluble solids content, prolong storagefreshness,reduce the nitrate content, make it taste better, to improvethe effectof yield and quality. 40 kg net content: