Factors affecting activation and transference of soil colloidal phosphorus and related analysis technologies. Effect of different organic materials on specific surface areaand charge property of black soil colloid Characteristics of DNA adsorption on different sizes red soil colloidal particles. Effect of two typical soil colloids on the bioavailability of cadmium to ryegrass Effects of oxalate on acid phosphatase adsorption and its activity on soil colloids and minerals Studies of soil embryological characteristics of the Salvia miltiorrhiza of Zhongjiang