| 解磷菌分离及其对内蒙古布龙图低品位磷矿利用研究 |
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| 关键词:phosphate solubilizing bacteria phosphorous rocks potato compound bio-fertilizer of phosphate |
| 基金项目:国家自然基金项目(编号:40504011) |
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| Isolation of Phosphate Solubilizing Bacteria and Its Utilization to Low Grade Phosphorous Rocks from Bulongtu Area, Inner Mongolia |
| Strains of phosphate solubilizing bacteria were isolated from soil samples of various soil classes collected in the Bulongtu phosphorus ore district of Inner Mongolia.Phosphate solubilization of each strain was estimated.The phosphate solubilization rates of strains A20,AC2013 and AC2015(Bacillus sp.) for Ca_3(PO_4)_2 and phosphorus rock are 21%～25%.They have the synergistic effect on phosphate solubilization.The application of the compound bio-fertilizer composed of phosphate made from strains A20,AC2013 and powder of low grade phosphorus rocks to potato can increase the potato output by 23.08% on average.It is thus shown that this technique is one of the effective methods in which low grade phosphorus rocks are utilized through the treatment of phosphate by microorganisms. |
| TIAN Xiao-juan,DU De-ping,WANG Yan,WU Yong-li,PENG Li-e.2007.Isolation of Phosphate Solubilizing Bacteria and Its Utilization to Low Grade Phosphorous Rocks from Bulongtu Area, Inner Mongolia[J].Acta Geoscientica Sinica,28(4):377-381. |
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