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Effects of AMF on soil enzyme activity and carbon sequestration capacity in reclaimed mine soil 被引量:10
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作者 Qian Kuimei Wang Liping Yin Ningning 《International Journal of Mining Science and Technology》 2012年第4期553-557,共5页
A series of pot experiments and field trials were carried out to evaluate the effects of arbuscular mycor- rhizal fungi (AMF) on activities of soil enzymes and carbon sequestration capacity in reclaimed mine soil. A... A series of pot experiments and field trials were carried out to evaluate the effects of arbuscular mycor- rhizal fungi (AMF) on activities of soil enzymes and carbon sequestration capacity in reclaimed mine soil. A complex substrate of coal gangue, fly ash and sludge was used as reclaimed mine soil, and ryegrass was planted with AMF inoculation to construct a plant-complex substrate-microbe ecological restoration sys- tem. The changes to the soil organic carbon (SOC), activities of soil enzymes and glomalin-related soil protein (GRSP) were measured and the effects of AMF on activities of soil enzymes and carbon sequestra- tion capacity (n reclaimed mine soil were analyzed. The results show that the contents of GRSP (total glo- malin (TG) and easily extractable glomalin (EEG)), SOC and activities of enzymes increased, and the increments were higher in the AMF inoculation treated plant-complex substrate-microbe ecological res- toration systems than those with no AMF inoculated treatments after 12 months of ryegrass growth. TG, EEG and soil enzyme activity have a significant positive correlation, and the correlative coefficient was 0.427-0.573; SOC and TG, EEG have a significant positive correlation (p 〈 0.01 ), indicating that AMF plays an important role in carbon sequestration of reclaimed mine soils. 展开更多
关键词 Arbuscular mycorrhizal fungireclaimed mine soilGlomalin-related soil proteinEnzyme activitySoil organic carbon
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