EMS mutagenesis of Chlorella and the conditions of producing EPA research The effect of cadmium on phosphate removal by immobilized Chlorella Effects of plant hormones,IBA and 6-BA,on flask fedbatch heterotrophic culture and constituents of Chlorella vulgaris Extraction of active substance from Chlorella vulgaris cells and its physiological effects on Saccharomyces cerevisiae Sensitivity of Chlorella vulgaris to metribuzin,puma and alachlor