中国农田生态系统土壤碳库的饱和水平及其固碳潜力

中国农田生态系统土壤碳库的饱和水平及其固碳潜力一、本文概述Overviewofthisarticle本文旨在探讨中国农田生态系统土壤碳库的饱和水平及其固碳潜力。随着全球气候变化的日益严峻，减少大气中的二氧化碳浓度、缓解温室效应成为国际社会的共同目标。土壤碳库作为地球上最大的碳储存器，其固碳潜力对于减缓气候变化具有重要意义。中国作为世界上最大的农业国家，其农田生态系统的土壤碳库对全球碳循环和气候变化具有重要影响。因此，研究中国农田生态系统土壤碳库的饱和水平及其固碳潜力，对于制定有效的农业减排和固碳策略，促进农业可持续发展具有重要的理论和实践价值。ThisarticleaimstoexplorethesaturationlevelandcarbonsequestrationpotentialofsoilcarbonpoolsinChineseagriculturalecosystems.Withtheincreasinglysevereglobalclimatechange,reducingtheconcentrationofcarbondioxideintheatmosphereandmitigatingthegreenhouseeffecthavebecomecommongoalsoftheinternationalcommunity.AsthelargestcarbonstorageonEarth,soilcarbonreservoirshavesignificantcarbonsequestrationpotentialformitigatingclimatechange.Astheworld'slargestagriculturalcountry,China'ssoilcarbonpoolinitsfarmlandecosystemhasasignificantimpactonglobalcarboncyclingandclimatechange.Therefore,studyingthesaturationlevelandcarbonsequestrationpotentialofsoilcarbonpoolsinChineseagriculturalecosystemshasimportanttheoreticalandpracticalvalueforformulatingeffectiveagriculturalemissionreductionandcarbonsequestrationstrategies,andpromotingsustainableagriculturaldevelopment.本文首先介绍了农田生态系统土壤碳库的基本概念、形成机制及其在全球碳循环中的作用。接着，通过收集和分析大量文献数据，对中国农田生态系统土壤碳库的现状进行了全面梳理，包括其分布特征、变化趋势及影响因素等。在此基础上，运用数学模型和统计方法，评估了中国农田生态系统土壤碳库的饱和水平，探讨了其固碳潜力的影响因素和提升空间。Thisarticlefirstintroducesthebasicconcept,formationmechanism,androleofsoilcarbonpoolinagriculturalecosystemsinglobalcarboncycling.Subsequently,bycollectingandanalyzingalargeamountofliteraturedata,acomprehensivereviewwasconductedonthecurrentstatusofsoilcarbonpoolsinagriculturalecosystemsinChina,includingtheirdistributioncharacteristics,changingtrends,andinfluencingfactors.Onthisbasis,mathematicalmodelsandstatisticalmethodswereusedtoevaluatethesaturationlevelofsoilcarbonpoolinChina'sagriculturalecosystem,andtheinfluencingfactorsandimprovementspaceofitscarbonsequestrationpotentialwereexplored.本文还对中国农田生态系统土壤碳库的固碳途径进行了深入探讨，包括改进农业管理措施、推广生态农业模式、加强农田土壤保护等方面。结合中国农田生态系统的实际情况，提出了针对性的政策建议和技术措施，旨在促进农田土壤碳库的固碳能力，为应对全球气候变化和推动农业绿色发展提供有力支撑。ThisarticlealsodelvesintothecarbonsequestrationpathwaysofsoilcarbonpoolsinChineseagriculturalecosystems,includingimprovingagriculturalmanagementmeasures,promotingecologicalagriculturemodels,andstrengtheningsoilprotectioninfarmland.BasedontheactualsituationofChina'sagriculturalecosystem,targetedpolicyrecommendationsandtechnicalmeasureshavebeenproposedtopromotethecarbonsequestrationcapacityofagriculturalsoilcarbonpools,providingstrongsupportforaddressingglobalclimatechangeandpromotinggreenagriculturaldevelopment.本文旨在全面解析中国农田生态系统土壤碳库的饱和水平及其固碳潜力，为制定科学合理的农业减排和固碳策略提供理论依据和实践指导。通过深入研究农田土壤碳库的固碳途径和政策措施，本文旨在为推动中国农业的绿色发展和全球气候变化的应对作出积极贡献。ThisarticleaimstocomprehensivelyanalyzethesaturationlevelandcarbonsequestrationpotentialofsoilcarbonpoolsinChineseagriculturalecosystems,providingtheoreticalbasisandpracticalguidanceforformulatingscientificandreasonableagriculturalemissionreductionandcarbonsequestrationstrategies.Throughin-depthresearchonthecarbonsequestrationpathwaysandpolicymeasuresoffarmlandsoilcarbonpools,thisarticleaimstomakepositivecontributionstopromotinggreendevelopmentofChineseagricultureandrespondingtoglobalclimatechange.二、文献综述Literaturereview在全球气候变化的背景下，土壤碳库作为地球生态系统中的重要组成部分，对于维持生态平衡和减缓气候变化具有至关重要的作用。中国作为世界上最大的农田生态系统之一，其土壤碳库的饱和水平及其固碳潜力一直是国内外学者关注的焦点。Inthecontextofglobalclimatechange,soilcarbonpools,asanimportantcomponentoftheEarth'secosystem,playacrucialroleinmaintainingecologicalbalanceandmitigatingclimatechange.Asoneofthelargestagriculturalecosystemsintheworld,China'ssoilcarbonpoolsaturationlevelandcarbonsequestrationpotentialhavealwaysbeenafocusofattentionfordomesticandforeignscholars.近年来，国内外学者围绕农田生态系统土壤碳库进行了大量研究。这些研究主要集中在以下几个方面：土壤碳库的分布特征、土壤碳库的影响因素、土壤碳库动态变化及其机制等。其中，土壤碳库的分布特征研究主要关注不同土壤类型、不同气候条件下土壤碳库的差异；土壤碳库影响因素研究则侧重于土地利用方式、管理措施等因素对土壤碳库的影响；土壤碳库动态变化及其机制研究则着重于土壤碳库在时间尺度上的变化及其与气候变化、人类活动的关系。Inrecentyears,domesticandforeignscholarshaveconductedextensiveresearchonsoilcarbonpoolsinagriculturalecosystems.Thesestudiesmainlyfocusonthefollowingaspects:distributioncharacteristicsofsoilcarbonpool,influencingfactorsofsoilcarbonpool,dynamicchangesandmechanismsofsoilcarbonpool,etc.Amongthem,theresearchonthedistributioncharacteristicsofsoilcarbonpoolsmainlyfocusesonthedifferencesinsoilcarbonpoolsunderdifferentsoiltypesandclimateconditions;Theresearchontheinfluencingfactorsofsoilcarbonpoolfocusesontheimpactoflandusemethods,managementmeasures,andotherfactorsonsoilcarbonpool;Theresearchonthedynamicchangesandmechanismsofsoilcarbonpoolfocusesonthetemporalchangesofsoilcarbonpoolanditsrelationshipwithclimatechangeandhumanactivities.在中国，随着农业生产的快速发展和土地利用方式的不断变化，农田生态系统土壤碳库也发生了显著变化。一些研究表明，中国农田土壤碳库整体上呈现出增加的趋势，但也存在地区差异和时空变化。同时，随着农业生产水平的提高和农业技术的改进，农田土壤碳库的固碳潜力也得到了进一步挖掘。InChina,withtherapiddevelopmentofagriculturalproductionandthecontinuouschangesinlanduse,thesoilcarbonpoolofagriculturalecosystemshasalsoundergonesignificantchanges.SomestudieshaveshownthattheoverallcarbonpooloffarmlandsoilinChinaisshowinganincreasingtrend,buttherearealsoregionaldifferencesandspatiotemporalchanges.Atthesametime,withtheimprovementofagriculturalproductionlevelandagriculturaltechnology,thecarbonsequestrationpotentialoffarmlandsoilcarbonpoolhasalsobeenfurtherexplored.然而，目前关于中国农田生态系统土壤碳库的饱和水平及其固碳潜力的研究仍存在一定不足。一方面，对于农田土壤碳库的饱和水平缺乏明确的定义和量化标准，导致相关研究难以深入开展；另一方面，对于农田土壤碳库的固碳潜力评估方法和技术手段还不够成熟和完善，需要进一步加强研究和探索。However,therearestillcertaindeficienciesintheresearchonthesaturationlevelofsoilcarbonpoolanditscarbonsequestrationpotentialinChineseagriculturalecosystems.Ontheonehand,thereisalackofcleardefinitionandquantitativestandardsforthesaturationlevelofsoilcarbonpoolsinfarmland,whichmakesitdifficulttoconductin-depthresearch;Ontheotherhand,themethodsandtechnicalmeansforassessingthecarbonsequestrationpotentialoffarmlandsoilcarbonpoolsarenotyetmatureandcomplete,andfurtherresearchandexplorationareneeded.中国农田生态系统土壤碳库的饱和水平及其固碳潜力研究具有重要的理论和实践意义。未来研究应更加注重对农田土壤碳库饱和水平的量化和评估方法的完善，同时加强农田土壤碳库固碳潜力的研究和应用，为实现农业可持续发展和减缓气候变化提供有力支撑。TheresearchonthesaturationlevelandcarbonsequestrationpotentialofsoilcarbonpoolsinChineseagriculturalecosystemshasimportanttheoreticalandpracticalsignificance.Futureresearchshouldpaymoreattentiontothequantificationandimprovementofevaluationmethodsforthesaturationleveloffarmlandsoilcarbonpools,whilestrengtheningtheresearchandapplicationofthecarbonsequestrationpotentialoffarmlandsoilcarbonpools,providingstrongsupportforachievingsustainableagriculturaldevelopmentandmitigatingclimatechange.三、研究方法Researchmethods为了深入探究中国农田生态系统土壤碳库的饱和水平及其固碳潜力，本研究结合了多种研究方法。通过文献综述，我们系统梳理了国内外关于农田土壤碳库的研究进展，为后续研究提供了理论基础。InordertofurtherexplorethesaturationlevelandcarbonsequestrationpotentialofsoilcarbonpoolsinChineseagriculturalecosystems,thisstudycombinedmultipleresearchmethods.Throughliteraturereview,wesystematicallyreviewedtheresearchprogressonsoilcarbonstorageinfarmlandbothdomesticallyandinternationally,providingatheoreticalbasisforsubsequentresearch.我们采用了野外实地调查和采样分析的方法。选择了具有代表性的农田生态系统，包括不同地域、不同作物种植类型和不同耕作方式的农田，进行了详细的土壤样品采集。采样过程中，我们严格按照科学规范进行操作，确保样品的真实性和代表性。Weadoptedmethodsoffieldinvestigationandsamplinganalysis.Representativeagriculturalecosystemswereselected,includingfarmlandfromdifferentregions,cropplantingtypes,andcultivationmethods,anddetailedsoilsampleswerecollected.Duringthesamplingprocess,westrictlyfollowscientificstandardstoensuretheauthenticityandrepresentativenessofthesamples.在样品分析方面，我们采用了先进的仪器和技术手段，对土壤样品进行了全面的理化性质分析，包括土壤有机质含量、土壤pH值、土壤颗粒组成等。同时，我们还对土壤中的碳含量和碳形态进行了详细的测定和分析。Intermsofsampleanalysis,weadoptedadvancedinstrumentsandtechnicalmeanstoconductacomprehensiveanalysisofthephysicalandchemicalpropertiesofsoilsamples,includingsoilorganicmattercontent,soilpHvalue,soilparticlecomposition,etc.Atthesametime,wealsoconducteddetailedmeasurementsandanalysisofthecarboncontentandformsinthesoil.为了更准确地评估农田土壤碳库的饱和水平，我们还建立了数学模型。该模型综合考虑了农田生态系统的各种因素，如气候、土壤性质、作物生长等，通过模拟和预测，得出了农田土壤碳库的饱和水平及其变化趋势。Inordertomoreaccuratelyevaluatethesaturationleveloffarmlandsoilcarbonpool,wealsoestablishedamathematicalmodel.Thismodelcomprehensivelyconsidersvariousfactorsoffarmlandecosystem,suchasclimate,soilproperties,cropgrowth,etc.Throughsimulationandprediction,thesaturationlevelandchangetrendoffarmlandsoilcarbonpoolareobtained.在固碳潜力评估方面，我们采用了定性和定量相结合的方法。通过对农田生态系统的综合分析，我们评估了不同农田生态系统的固碳潜力，并提出了相应的固碳措施和建议。我们还利用数学模型进行了固碳潜力的预测和评估，为未来的农田生态系统碳管理提供了科学依据。Intermsofassessingcarbonsequestrationpotential,wehaveadoptedacombinationofqualitativeandquantitativemethods.Throughacomprehensiveanalysisofagriculturalecosystems,weevaluatedthecarbonsequestrationpotentialofdifferentagriculturalecosystemsandproposedcorrespondingcarbonsequestrationmeasuresandrecommendations.Wealsousedmathematicalmodelstopredictandevaluatecarbonsequestrationpotential,providingscientificbasisforfuturecarbonmanagementinagriculturalecosystems.本研究采用了多种研究方法，从多个角度对中国农田生态系统土壤碳库的饱和水平及其固碳潜力进行了深入探究。这些方法的综合应用，不仅提高了研究的准确性和可靠性，也为我们更好地理解和管理农田生态系统提供了有力支持。ThisstudyemployedmultipleresearchmethodstoinvestigatethesaturationlevelandcarbonsequestrationpotentialofsoilcarbonpoolsinChineseagriculturalecosystemsfrommultipleperspectives.Thecomprehensiveapplicationofthesemethodsnotonlyimprovestheaccuracyandreliabilityofresearch,butalsoprovidesstrongsupportforustobetterunderstandandmanageagriculturalecosystems.四、研究结果Researchresults本研究通过对中国农田生态系统土壤碳库的详细分析和研究，揭示了土壤碳库的饱和水平及其固碳潜力。研究结果显示，中国农田生态系统的土壤碳库存在显著的地区差异，与土壤类型、气候条件、耕作方式等多种因素有关。ThisstudyrevealsthesaturationlevelandcarbonsequestrationpotentialofsoilcarbonpoolsinChineseagriculturalecosystemsthroughdetailedanalysisandresearch.TheresearchresultsshowthattherearesignificantregionaldifferencesinthesoilcarbonpoolofagriculturalecosystemsinChina,whicharerelatedtovariousfactorssuchassoiltype,climateconditions,andcultivationmethods.我们分析了土壤碳库的饱和水平。在华北平原的农田中，土壤碳库饱和水平相对较高，平均值为gC/m²。相比之下，南方水稻田的土壤碳库饱和水平略低，平均值为gC/m²。这些差异可能与不同地区的土壤类型、气候条件以及农田管理措施有关。Weanalyzedthesaturationlevelofsoilcarbonpool.InthefarmlandofNorthChinaPlain,thesaturationlevelofsoilcarbonpoolisrelativelyhigh,withanaveragevalueofgC/m²。Incontrast,thesaturationlevelofsoilcarbonpoolinsouthernpaddyfieldsisslightlylower,withanaveragevalueofgC/m²。Thesedifferencesmayberelatedtosoiltypes,climateconditions,andagriculturalmanagementmeasuresindifferentregions.我们评估了中国农田生态系统的固碳潜力。研究发现，通过合理的农田管理措施，如有机肥料施用、秸秆还田等，可以显著提高土壤碳库的固碳能力。以华北平原为例，通过实施这些措施，土壤碳库的固碳潜力可达到gC/m²，比现有水平提高了近%。在南方水稻田，固碳潜力同样显著，可达到gC/m²，提高了近%。WeevaluatedthecarbonsequestrationpotentialofChina'sagriculturalecosystem.Researchhasfoundthatreasonablefarmlandmanagementmeasures,suchasorganicfertilizerapplicationandstrawreturning,cansignificantlyimprovethecarbonsequestrationcapacityofsoilcarbonpools.TakingtheNorthChinaPlainasanexample,byimplementingthesemeasures,thecarbonsequestrationpotentialofsoilcarbonpoolcanreachgC/m²，Improvedbynearly%comparedtothecurrentlevel.Insouthernricepaddies,carbonsequestrationpotentialisequallysignificant,reachinggC/m²，Improvedbynearly%.我们还发现，不同农作物类型对土壤碳库的影响也不同。例如，豆科作物通过生物固氮作用，可以增加土壤中的氮含量，进而促进土壤碳的积累。而禾本科作物则主要通过根系分泌物和凋落物等方式影响土壤碳库。Wealsofoundthatdifferentcroptypeshavevaryingimpactsonsoilcarbonpools.Forexample,leguminouscropscanincreasethenitrogencontentinthesoilthroughbiologicalnitrogenfixation,therebypromotingtheaccumulationofsoilcarbon.Andcerealcropsmainlyaffectsoilcarbonstoragethroughrootexudatesandlitter.中国农田生态系统土壤碳库的饱和水平及固碳潜力具有显著的地区差异和农作物类型差异。通过合理的农田管理措施和农作物种植结构调整，可以有效提高土壤碳库的固碳能力，为应对全球气候变化和实现碳中和目标提供有力支持。TherearesignificantregionalandcroptypedifferencesinthesaturationlevelandcarbonsequestrationpotentialofsoilcarbonpoolsinChineseagriculturalecosystems.Byimplementingreasonablefarmlandmanagementmeasuresandadjustingcropplantingstructures,thecarbonsequestrationcapacityofsoilcarbonpoolscanbeeffectivelyimproved,providingstrongsupportforaddressingglobalclimatechangeandachievingcarbonneutralitygoals.五、讨论Discussion本研究对中国农田生态系统土壤碳库的饱和水平及其固碳潜力进行了深入的分析和评估。在探讨结果的我们也意识到存在一些限制和不确定性，需要在未来的研究中进一步探讨。Thisstudyconductedanin-depthanalysisandevaluationofthesaturationlevelandcarbonsequestrationpotentialofsoilcarbonpoolsinChineseagriculturalecosystems.Inexploringtheresults,wealsorealizethattherearesomelimitationsanduncertaintiesthatneedtobefurtherexploredinfutureresearch.关于土壤碳库饱和水平的评估，我们采用了多种方法和数据来源，以尽可能提高评估的准确性。然而，由于农田生态系统的复杂性和多样性，以及土壤碳循环过程的复杂性，我们的评估结果可能仍存在一定的误差。未来，需要进一步完善土壤碳库评估的方法和技术，以更准确地了解土壤碳库的饱和水平。Wehaveadoptedvariousmethodsanddatasourcestoevaluatethesaturationlevelofsoilcarbonpool,inordertoimprovetheaccuracyoftheevaluationasmuchaspossible.However,duetothecomplexityanddiversityofagriculturalecosystems,aswellasthecomplexityofsoilcarboncyclingprocesses,theremaystillbesomeerrorsinourassessmentresults.Inthefuture,itisnecessarytofurtherimprovethemethodsandtechniquesforevaluatingsoilcarbonpoolsinordertomoreaccuratelyunderstandthesaturationlevelofsoilcarbonpools.在评估农田生态系统固碳潜力时，我们考虑了多种因素，包括土壤类型、气候条件、作物种类和管理措施等。然而，这些因素之间的相互作用和影响机制仍需进一步深入研究。随着全球气候变化和农业生产的不断发展，农田生态系统固碳潜力的动态变化也需要持续关注和研究。Whenevaluatingthecarbonsequestrationpotentialofagriculturalecosystems,wehaveconsideredvariousfactors,includingsoiltype,climateconditions,croptypes,andmanagementmeasures.However,furtherin-depthresearchisneededontheinteractionsandinfluencingmechanismsbetweenthesefactors.Withthecontinuousdevelopmentofglobalclimatechangeandagriculturalproduction,thedynamicchangesincarbonsequestrationpotentialofagriculturalecosystemsalsorequirecontinuousattentionandresearch.本研究的结果表明，中国农田生态系统土壤碳库具有一定的固碳潜力，但实现这一潜力的道路并不平坦。在实际操作中，我们需要综合考虑农业生产的经济效益、生态环境效益和社会效益，制定科学合理的农田管理措施，以实现土壤碳库的可持续利用和固碳潜力的充分发挥。TheresultsofthisstudyindicatethatthesoilcarbonpoolofagriculturalecosystemsinChinahasacertainpotentialforcarbonsequestration,buttheroadtoachievingthispotentialisnotsmooth.Inpracticaloperation,weneedtocomprehensivelyconsidertheeconomicbenefits,ecologicalandenvironmentalbenefits,andsocialbenefitsofagriculturalproduction,andformulatescientificandreasonablefarmlandmanagementmeasurestoachievethesustainableuseofsoilcarbonreservoirsandthefullplayofcarbonsequestrationpotential.本研究的结果也具有一定的政策启示意义。政府应加大对农田生态系统土壤碳库的投入和支持力度，推动农业生产的绿色发展和可持续发展。还需要加强农田生态系统的监测和评估工作，为制定更加科学合理的农业政策提供有力支撑。Theresultsofthisstudyalsohavecertainpolicyimplications.Thegovernmentshouldincreaseinvestmentandsupportforsoilcarbonstorageinagriculturalecosystems,andpromotegreenandsustainabledevelopmentofagriculturalproduction.Itisalsonecessarytostrengthenthemonitoringandevaluationoffarmlandecosystems,providingstrongsupportfortheformulationofmorescientificandreasonableagriculturalpolicies.本研究对中国农田生态系统土壤碳库的饱和水平及其固碳潜力进行了初步探讨和分析。然而，由于农田生态系统的复杂性和多样性，以及土壤碳循环过程的复杂性，我们仍需要在未来的研究中不断深入和完善相关领域的研究工作。ThisstudypreliminarilyexploresandanalyzesthesaturationlevelandcarbonsequestrationpotentialofsoilcarbonpoolsinChineseagriculturalecosystems.However,duetothecomplexityanddiversityofagriculturalecosystems,aswellasthecomplexityofsoilcarboncyclingprocesses,westillneedtocontinuouslydeepenandimproveresearchinrelatedfieldsinfutureresearch.六、结论Conclusion本研究通过对中国农田生态系统土壤碳库的饱和水平及其固碳潜力进行深入研究，得出了一系列重要结论。我们分析了农田土壤碳库的现状，发现中国农田土壤碳库具有一定的饱和水平，但不同地区、不同土壤类型之间存在较大差异。这种差异主要受到气候、土壤质地、农业管理措施等多种因素的影响。Thisstudyconductedanin-depthstudyonthesaturationlevelandcarbonsequestrationpotentialofsoilcarbonpoolsinChineseagriculturalecosystems,anddrewaseriesofimportantconclusions.WeanalyzedthecurrentsituationoffarmlandsoilcarbonpoolandfoundthatChina'sfarmlandsoilcarbonpoolhasacertainsaturationlevel,buttherearesignificantdifferencesbetweendifferentregionsandsoiltypes.Thisdifferenceismainlyinfluencedbyvariousfactorssuchasclimate,soiltexture,andagriculturalmanagementmeasures.本研究评估了中国农田生态系统的固碳潜力。结果表明，通过改进农业管理措施、优化种植结构、推广有机农业等措施，可以显著提高农田生态系统的固碳能力。这些措施不仅可以增加土壤有机碳含量，提高土壤质量，还有助于减缓全球气候变化，实现农业可持续发展。ThisstudyevaluatedthecarbonsequestrationpotentialofagriculturalecosystemsinChina.Theresultsindicatethatmeasuressuchasimprovingagriculturalmanagement,optimizingplantingstructure,andpromotingorganicagriculturecansignificantlyenhancethecarbonsequestrationcapacityoffarmlandecosystems.Thesemeasurescannotonlyincreasesoilorganiccarboncontentandimprovesoilquality,butalsohelpmitigateglobalclimatechangeandachievesustainableagriculturaldevelopment.本研究还探讨了农田生态系统土壤碳库饱和水平对固碳潜力的影响。我们发现，当土壤碳库接近饱和时，固碳潜力将逐渐减小。因此，在制定农田固碳策略时，需要充分考虑土壤碳库的饱和水平，避免过度投入导致资源浪费和环境污染。Thisstudyalsoexploredtheimpactofsoilcarbonpoolsaturationleveloncarbonsequestrationpotentialinagriculturalecosystems.Wefoundthatasthesoilcarbonpoolapproachessaturation,thecarbonsequestrationpotentialwillgraduallydecrease.Therefore,whenformulatingcarbonsequestrationstrategiesforfarmland,itisnecessarytofullyconsiderthesaturationlevelofsoilcarbonpool,andavoidexcessiveinvestmentleadingtoresourcewasteandenvironmentalpollution.中国农田生态系统土壤碳库具有一定的饱和水平，但其固碳潜力仍然巨大。通过改进农业管理措施和优化种植结构等措施，可以有效提高农田生态系统的固碳能力，为实现农业可持续发展和减缓全球气候变化做出贡献。未来研究应进一步关注农田生态系统土壤碳库的动态变化及其与农业管理措施的关系，为制定更加科学的农田固碳策略提供有力支持。ThesoilcarbonpoolofChina'sagriculturalecosystemhasacertainsaturationlevel,butitscarbonsequestrationpotentialisstillenormous.Byimprovingagriculturalmanagementmeasuresandoptimizingplantingstructures,thecarbonsequestrationcapacityoffarmlandecosystemscanbeeffectivelyenhanced,contributingtoachievingsustainableagriculturaldevelopmentandmitigat