Positive effects were observed on seedling height,main root length and dry matter weight on different degree for those cottonseeds had been dealed with PG germ soil p activator beforehand sowing.

• PG微生物土壤磷活化剂拌种处理棉花种子，对棉苗的株高、主根长度和干物重有不同程度的促进作用；