A kind of phosphate-solubilizing bacteria(PSB)were isolated from coal fly ash and cropping soil respectively,named CA and SL strains.

• 从粉煤灰和农田土壤中分离筛选出2株解磷细菌CA和SL,以紫花苜蓿为供试植物,通过盆栽试验研究接种解磷细菌对粉煤灰基质的改良作用。