增温下不同措施稻麦轮作温室气体排放和经济效益评价

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中图分类号：X144 文献标志码：A 文章编号：1672-2043（2025）10-2728-10 doi：10.11654/jaes.2024-1088

Abstract：Toassessedthecombinedefectsofdiferentmanagementpracticesongreehousegasemissionsandeconomicbenefitsina rice-wheatrotatiossteunderaarmingscenario.ItissudyfroNovember222toOctober223，wesetupmbientadceased temperaturetreatmentsinnopenaingstem，andombinedsixanageentpractices，cudingontrol（CK），hangefating density（PD），ageofrietiesCV）plicaforBC），eladowngdate（D），ndicreseofrogfertld CH4 andN2Oemisioswereoitoredbystaticchamberaschromatographyandtheomprehensivebenefitsofthesstemwerealyzd in terms of the annual yields，greenhouse gas emisions，and economic inputs.Results showed that both anual CH ⋅4 and NO emissions fromtherice-wheatrotationsystemweresignificantlyafectedbytemperatureincreaseandmanagement practices.Underambient condition， CH4 emissions reduced by 27.23% ， 21.12% ， 17.30% ，and 11.96% in PD，CV，BC and SD treatments，respectively，compared to CK treatment，and PD treatment also reduced N2O emissions （ 19.38% ， P<0.05 ）.Under warming condition， CH4 emissions reduced by 21.78% 21.49% ，and 10.03% in the PD，BC，and NF treatments，respectively，compared to the CK treatment，and N2O emissons reduced inaltreamentIditoCndramentsodrgedaptabilitmpeatuecsenloalagtl significantly reduced by 18.56% and 20.84% （ P<0.05 ）inBC and NF treatments under warming condition compared with ambient condition，respectively.Intersofyieldandconomicbenefits，othandSDtreatmentsreducedyieldsandconomicbeeitsuder bothtemperatureonios，erasCV，NFndBCtreatmentssoedigiicantreassinualyieldsndetmargised to CK treatments，andNFtreatmentsshowed strongeradaptationtotemperatureincrease，ndtheetmarginsofNFtreatmentsunder temperature increase conditions were significantly （ 8.82% ， P<0.05 ）higher compared to ambient conditions. The study showed that under warmingonditions，theapplicationofbiocaradnitrogenfrtilizercanefectivelyreducegreenhousegasmisionsandimprovecop yieldsandeconomicbnefitsintericewheatrotationsystmbyaceleratingtedecompositionofocharforcropuptakeandutilio andimprovingcropnitrogenutilzationefficiencybywarming，respectively，toachievesustainable agricultural development.

Keywords： rice-wheat rotation; greenhouse gas;warming; economic efficiency

根据世界气象组织（WMO）报告，全球平均温度自工业化以来已经上升了约 1.2qC[1] ，未来温度进一步升高已不可避免2。（剩余19432字）