【摘要】 对不同土壤样品中的解磷微生物进行分离并研究获得的解磷微生物的生物学特性。通过初步分析表明,两株不同的解磷菌株P1和P2,均为芽孢杆菌。利用比色方法对两株菌的解磷能力进行测定,实验结果表明,随着培养时间的延长,发酵培养基中的pH下降,菌液浓度也呈现出不同的变化趋势,培养7d以后,菌液浓度有下降的趋势,而基质中可溶性磷的含量在前期时比中期高,到培养至后期时,可溶性磷含量又出现下降。更多还原

【Abstract】 The Phosphorus dissolving microorganisms were isolate from different soil samples, and the characteristics of obtained strains were studied. By primary identifying, the two obtained strains were all Bacillus spp. The result of Phosphorus dissolving ability indicated that as the cultivated time increasing, the pH value was decreased, the content of culture medium was changed, after cultivated for 7days, the content of culture medium was decreased and the soluble phosphate content in the early stage of culture was higher than the middle stage, and in the later stage, the soluble phosphate content was decreased.更多还原