The results from many researches showed that phosphate-solubilizing bacteria are common in soil, and their amount and species number in rhizosphere are greater than in bulk soil. 眾多研究表明,土壤中普遍存在能夠分解礦質(zhì)態(tài)磷和有機態(tài)磷的微生物,而且植物根際土壤的解磷細菌不僅數量多于土體,其種類(lèi)也明顯多于土體土壤。