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Selection experiments for the optimum combination of AMF-plant-substrate for the restoration of coal mines 被引量:7
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作者 WANG Li-ping ZHANG Wei-wei GUO Guang-xia IAN Kui-mei HUANG Xiao-pei 《Mining Science and Technology》 EI CAS 2009年第4期479-482,共4页
A complex substrate consisting of fly ash, coal gangue and excess sludge was used as an experimental soil in pot culture experiments. Different soil compositions were tested by observing the growth of arbuscular mycor... A complex substrate consisting of fly ash, coal gangue and excess sludge was used as an experimental soil in pot culture experiments. Different soil compositions were tested by observing the growth of arbuscular mycorrhizal (AM) fungi inoculated white clover, rye grass or com. The biomass of the host plants, the mycorrhizal colonization (MC) rate and the mycorrhizal depen- dency (MD) were measured. The research addresses the preferable AMF-plant-substrate combination appropriate for restoration of coal mines. We used two inoculation methods: single-inoculation with Glomus versiforme or Glomus mosseae and a dual inocula- tion with both Ctv and Gm. The results show that G^m is the preferable fungi and that dual inoculation does not show advantages for the restoration of coal mines. White clover inoculated with AM fungi is the most suitable condition for restoration of coal mines. The best weight ratio of fly ash, coal gangue and excess sludge was found to be 20:60:20. The optimum treatment conditions of AMF-plant-activated-substrate are described. 展开更多
关键词 AM fungi BIOMASS mycorrhizal colonization rate activated substrate ecological restoration of coal mines
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