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82 个结果
  • 简介:USURIOUSIMPACTONAGRICULTURALMODERNIZATIONINCHINAANDINDIALeiQihuaiBothastraditionalagriculturalpower.CliinaaiidIndiastanclforo...

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  • 简介:Itissignificantforthestudyonthesustainabledevelopmentofregionalagriculturetomonitorandmeasurethetrendofagriculturaldevelopmentwithaneffectivemethod.Thesustainabledevelopmentofregionalagricultureshouldaccordwithregionalpopulation,ruraleconomicdevelopment,socialprogress,resourceandenvironmentalsupport.Thispaperestablishestheevaluatingindicatorssystemofsustainabledevelopmentofregionalagriculture,evaluatestheagriculturalsustainabledevelopmentinShaanxiProvincewithacomprehensivemulti-indicatormethod,analyzesthesupportofresourceandenvironmentforregionalagriculturebytheresource-developmentindexandtheenvironment-developmentindex,andgetstheconclusionthattheindicators,suchaseducationlevel,theincomegapbetweenurbanandruralresidents,thepercapitaareaundercultivationandtheconsumptionofpesticidesandchemicalfertilizersperhectare,arethemainfactorstorestrictagriculturalsustainability,andthatthepressureofthedevelopmentofsubsystemsofpopulation,economyandsocietyonthesubsystemsofresourceandenvironmentturnsouttobestrongerandstronger.Agriculturalenvironmentgetsbetter,butresourcebecomesoneoftheimportantfactorstorestrictthedevelopmentofregionalagriculture.Inaword,thispaperhighlightsthepotentialsandlimitationsofsustainableagricultureofShaanxiandhelpsidentifythedevelopmentdirectioninthefuture.

  • 标签: 中国 陕西 农业经济 农业资源 环境评估
  • 简介:XinhuareportedonDecember6thatChinawouldsetupayear-on-yeargrowinginvestmentsystemtofacilitatethedevelopmentofscienceandtechnologyonagriculture.ThedevelopmentofscienceandtechnologyiskeytoeasethepressureonChina'sagriculture,especiallyongrain

  • 标签: 农业科学技术 科技投资 中国 投资体制 新华社
  • 简介:Withavastterritory,thespacetimedistributionofwaterresourcesisuneveninChina.Thereisagreatdifferenceinnaturalconditionsandfarmlandmanagementofagriculturalproductionindifferentregions.Thearealdifferentiationofagriculturalproductsvirtualwaterisobvious.Comparisonwiththeagriculturalproductsvirtualwaterfrom1995to2007inChinashowsanincreaseinthefirsttenyearsandalittledecreaseinrecentyears.TherehasbeenatendencyofincreaseallthetimeinNortheastandNorthwest,butadecreaseafteranincreasefirstlyinotherregions.Thevirtualwateroffoodcropsisthemaximumwhichaccountsformorethan70%inChina,andthatofvegetablesisinafastgrowth.Theproportionofagriculturalproductsvirtualwatertothetotalwaterresourcesineachregionhasalargedifference,showingtheimbalanceofagriculturalwaterindifferentregions,whichaccountsfor50%90%inNortheast,and125%185%inNorthChina.Undertheguidanceofvirtualwaterstrategy,basedonthedifferencesofresourceendowment,eachregionshouldadjustagriculturalstructure,decideproductionbywater,andselectwatersuitablecrops.Inwaterrichregion,agriculturalproductsofhighwaterconsumptionshouldbeplantedappropriately,whichwillmakefulluseoftheabundantlocalwaterresources.Inwatershortageregionthecropproductionofhighwaterconsumptionandlowefficiencyshouldbedepressed,andthatoflowwaterconsumptionandhighefficiencyshouldbesupportedandincreased.Itwillachievereasonabledispositionofwaterresources,promoteecologicalrestorationandenvironmentalprotection,aswellasensurefoodsecurity.

  • 标签: 农业结构调整 农业产品 区域差异 虚拟水 中国
  • 简介:<正>JilinFuhuaAgriculturalScienceandTechnologyDevelopmentCo.,Ltd.(hereinafterreferredtoasFuhuaCompany)isspecializedininternationaltradeandoverseasagriculturaldevelopment.FuhuaCompany,undertheleadershipofPresidentLiuYe,hasembarkedonthepathofsuccessfeaturing"dedication,integrityand

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  • 简介:Thispaperpropos-nologyintermsofthecharactersofagriculturaldecisionsupport,anddesignsamodelofDSSaboutproductionandsalesofagriculturalproducts.Themodeladoptsdecentralized+centralizeddistributednetworktopology.Inthedistributednetwork,eachnodeisaDSS.EveryDSSismadeupofmultipleagents,whichcanenhancetheinteractivityandintel-lectualityamongDSS.Inthemulti-agentsystem,weembedontologyintheagentsystem,whichhasthefollowingadvantages:enhancingthecoordinationandcommunicationbetweenagents,andstrengtheningthesemanticsofinformationandimprovingknowledgeshareandreuse.

  • 标签: DDSS 决策支持系统 多代理 存在论 农业技术