物料复配对奶牛粪堆肥腐殖化和臭气排放的影响

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关键词：洱海流域;奶牛粪便;好氧堆肥；臭气排放；腐殖化；烟末；甘蔗渣中图分类号：X713;S141.4 文献标志码：A 文章编号：1672-2043（2025）09-2407-11 doi：10.11654/jaes.2024-0887

Abstract：ThecowmanureproductionintheErhaiLakebasinishighandaerobiccompostigrepresentsanefectivepathwayforits resourceutilizationIntheErhaiLakeBasin，processngby-productssuchastobaccopowder（T）andbagass（B）arecommonlyusedas composting bulkingagentsforhigh-moisture materialslikedairycowmanure.However，thesynergisticefectsof teircombineduseon odoremissoncontrolandhumificationduringcowmanurecompostingrequirefurtherevaluation.Thisudyconductedaerobiccomposting for 35 days using 80 % （wet weight） cow manure as the main material，with additions of 20% T，15%T+5%B， 10% T +10% B， 5% T +15% B， and 20% B，respectively.Theresults indicatedthatasthe proportionofbagasseincreased，theheatingrateandpeak temperaturerose，but thiswasdetrimentaltointainghghemperatures.Coveselysteproportioofobacoodericeasd，tedgati （20 index（GI） and humus content decreased， while ammonia（ NH3 ）andhydrogen sulfide（ H2S ）emissions increased，and the total nutrient content gradually rose.Compared to the treatments with 5% T +15% B and 20% B，the treatment with 10% T +10% B exhibited an increase in high-temperaturedurationby3and4daysrespectivelyandanincreaseiotalrientcontenby2.6%and2.5%，espctiely            Furthermore，compared to the treatmentswith and 20% T，thetreatmentwith10%T +10%F 3reducedNH3 emissionsby 60.5% and 67.5% ，respectively，andH2Semissionsby 82.5% and 87.9% ，respectively.Additionally，the treatmentwith 10%T+10%] Bachieved the highest seed germination index （GI） value of 132.8% andahumus-to-fulvate ratio of O.9.Therefore， the combined proportion of 10% tobacco powder and 10% bagasse can promote odor reduction and enhance humification during aerobic composting of cow manure. Keywords：Erhai Lake basin;cow manure;aerobic composting;odor emission; humification; tobacoo powder;bagasse

洱海流域位于云南省白族自治州，是西部高原、长江流域的生态安全屏障。（剩余18063字）