organic-food有机食品

,Organicfood,Definition,SaferandMorenutritious,Effects,Advantages,http:/www.ppthi-,definition,Organicfoodsarefoodsthatareproducedusingmethodsthatdonotinvolvemodernsyntheticinputssuchassyntheticpesticidesandchemicalfertilizers.Organicfoodsarealsonotprocessedusingirradiation,industrialsolvents,orchemicalfoodadditives.,有机食物是指生产过程过中不涉及现代合成的产品，如化学合成的农药和化肥，不含有转基因生物食品，不使用工业溶剂，化学食品添加剂。,http:/www.ppthi-,.,http:/www.ppthi-,Whysaferandmorenutritious!,http:/www.ppthi-,Giveanimalsorganicfeedandallowthemaccesstotheoutdoors.Usepreventivemeasuressuchasrotational(轮流的)grazing（放牧）,abalanceddietandcleanhousingtohelpminimizedisease.,http:/www.ppthi-,Spraypesticidesfromnaturalsources;usebeneficialinsectsandbirds,makingdisruptionortrapstoreducepestsanddisease.,Advantages:,Theadvantageoforganicfoodisitspositiveimpactonourenvironmentasawhole.Growingorganicallykeepssoilinitsnaturalstateandprotectsthegroundaswellasourwater.Anotheradvantageoforganicfoodliesinitsabilitytoimpactusonagloballevel;minimizingourexposuretochemicallyalteredfoodandsavingourplanetfromneedlesscontactwithunnaturalcontaminants.,http:/www.ppthi-,Effects:,http:/www.ppthi-,.,impact,Withtheexpansionofdemandfororganicfood,farmersarefindingmorelandstogroworganicfood.However,criticsoforganicfarmingmethodsbelievethattheincreasedlandneededtofarmorganicfoodcouldpotentiallydestroytherainforestsandwipeoutmanyecosystems.,http:/www.ppthi-,Demandfororganicfoodsisprimarilyconcernforpersonalhealthandconcernfortheenvironment.Organicproductstypicallycost10to40%morethansimilarconventionallyproducedproducts.Whileorganicfoodaccountsfor12%oftotalfoodsalesworldwide,theorganicfoodmarketisgrowingrapidly,faraheadoftherestofthefoodindustry,inbothdevelopedanddevelopingnations.,TheU.S.DepartmentofAgriculture(USDA)hasestablishedanorganiccertificationprogramthatrequiresallorganicfoodstomeetstrictgovernmentstandards.Thesestandardsregulatehowsuchfoodsaregrown,handledandprocessed.AnyproductlabeledasorganicmustbeUSDAcertified.Onlyproducerswhoselllessthan$5,000ayearinorganicfoodsareexemptfromthiscertification;however,theyrestillrequiredtofollowtheUSDAsstandardsfororganicfoods.IfafoodbearsaUSDAOrganiclabel,itmeansitspro