接种微生物对煤矿废弃基质的改良与培肥作用  

Role of microbe on solid wastes amending and fertilizing in coal mining area

作　　者：毕银丽[1] 吴福勇[1] 武玉坤[1] 

机构地区：[1]中国矿业大学(北京)资源与安全工程学院,北京100083

出　　处：《煤炭学报》2006年第3期365-368,共4页Journal of China Coal Society

基　　金：国家自然科学基金资助项目(40201051;20377051);国家高科技发展计划"863"基金资助项目(2005AA644020)

摘　　要：针对煤矿废弃物煤矸石和粉煤灰生态治理难的特点,将它们作为生物基质来进行利用将是一种很好的途径,通过接种菌根真菌与根瘤菌,对废弃基质进行生物改良,结果表明,植物根系对基质理化性状有一定的改良与培肥作用,提高了基质pH和EC值,使之更趋近于植物正常生长的酸碱范围.两种微生物都能够与植物形成较好的共生关系,长期种植豆科植物有利于基质中N的积累.双接根瘤菌和AM菌根真菌促进了植株对煤矿区固体废弃物中难溶性P的吸收和利用.Coal wastes and fly ash are one of the difficult use wastes for ecological restoration. It was a good way to take them as the medium to grow plants. Inoculated AM fungi and rhizobium to the medium and amending and fertilizing the wastes. The results showed that the plant roots can improve the physical and chemical properties of the medium, and increase the medium pH and Ec. That makes plant growth at the suitable pH. These two microbe can form the good symbiosis with plants. Leguminous plants growth on the medium for a long time can acculumate more nitrogen. Inoculated AM fungi and rhizobium can promote plants uptake and utilize more undissolving P.

关 键 词：微生物 煤矿废弃物 改良与培肥 

分 类 号：TQ446[化学工程—化学肥料工业]