不同蔗叶处理对红壤团聚体中有机碳和微生物的影响

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中图分类号：S154.3；S153.6;X144 文献标志码：A 文章编号：1672-2043（2025）10-2528-10 doi：10.11654/jaes.2024-0879

Abstract：Toinvestigatethefectsofdiferentsugarcaneleaf-derivedmaterialsontypicalredsoilinsugarcanegrowingrgiosof Yunnan，asoilincubationexperimentwaonductedwithontrolgroup（CK）andthreetreatments，icludingsheddedsugaaneleaves （ZY），sugarcaneleafbiochr（SWT）sugarcaneleafash（FS）.Tisstudyaalyzedchangesinbacterialandfungalcommunitysrcture anddiversityaswellasintheproportionofaterstablemacroagegatesnderganiccarboncontentwithinsoilaggegates.The resultsshowedtatpadtoCK，alltreaetssuledieaseiproroofgegesine0，.d.， ]mmsizerangeslicantdireeedfogegteassddiioalldresesdin theorganiccarboncontentinte[0.5，0.5]mgegates.TeZYtreatmentehbitedchangesinothbacterialandfungalomuity structures.TheSWTtreatmentincreasedbacterialspeciesichnessanddiversitybutdidotafecthefungalcomunitystructureThe efectsoftheFStreatmentweresimilartothoseofteSWTtreatment.Thesefindingsindicatethatunderconditionsofrelativelylow organicmaterndtrogavalbilttreatmentsithZYW，andFSereotcoducivetoeforatioofsoilggregaeorte accumulation of organic carbon within aggregates.

Keywords：cane leaves; carbon-containing substances; soil microorganism;aggregate; organic carbon

有机碳库的质量和数量对于农田土壤功能至关重要，其控制着土壤中一系列的物理、化学及生物变化[2-3]。（剩余18487字）