... increasing soil organic matter, improving soil structure, enhancing abilities of preserving moisture and fertility, raising heat and permeability, ... , increasing yields, reducting pollution and protecting environment are advantages of this fertilizer as well.Specification :Algal Polysaccharides : >=25 ... for base fertilizer, 80-100kg/mu (a Chinese unit of area(equal to 1/15 of a hectare or 1/6 an acre ...