资源描述：
《园艺专业外语课件.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、园艺专业英语授课教师：李丹丹ContentsLesson1EarlyDevelopmentandStatusofPlasticultureLesson2GoalsofGreenhouseClimateControl Lesson4SoilPropertiesofHorticulturalCropCultivation Lesson5SoillessCultivationLesson7QualityandHarvestofHorticulturalProductsLesson9BiotechnologyandHorticultureLesson12GreenhouseTomatoesLesson
2、15Low-temperratureeffectsPartBHigh-temperratureeffectsLesson16PartAIrrigation(1)PartBIrrigation(2)Lesson1EarlyDevelopmentandStatusofPlasticulture1.greenRevolution【n.】Asignificantincreaseinagricuturalproductivityresultingfromtheintroductionofhigh-yieldvarietiesofgrains,theuseofpesticides,andimprovedm
3、anagementtechniques.绿色革命Glossory2.plasticulture塑料栽培【n.】Thepracticeofusingplasticmaterialsinagriculturalapplications.Apolymerizedethyleneresin,usedespeciallyforcontainers,kitchenwareandtubing,orinformoffilmsandsheetsforpackaging.3.polyethylene【n.】[化]聚乙烯polyvinylchloride[化]聚氯乙烯CommonlyabbreviatedPVCgr
4、eenhousecover温室覆盖物5.mulch覆盖，覆盖物【n.】4.rowcover小拱棚覆盖plasticlowtunnel6.mulchapplicator覆膜机【n.】an7.ventilation通风，流通空气8.year-round整年的、连年的9.controlledenvironmentagriculture控制环境农业10.carbondioxide【化.】二氧化碳11.Growthchamber生长室12.phytotron人工气候室AstheGreenRevolutionexpandedtheproductionofagronomiccrops,plasticultu
5、rehasprovidedyetanotherrevolution.Whilemoresilent,plasticulturehasenabledcountriesthroughouttheworldtogreatlyextendtheirfoodprodictioncapability.Itisonlyinthelastfiftyyearsthatsyntheticmaterialshavealteredthemethodsandbenefitsofmulching.KeysentenceNaturalmulchessuchasleaves,straw,sawdust,peatmossand
6、composthavebeenusedforcenturiestocontrolweedsandholdmoistureinthesoil.Moreover,plasticmulchesalsoraisesoiltemperatureandincreasesoilnutrientsupplying.Today,asin1959,Japanusesmostlypolyvinylchloride(PVC)filmforrowcovers.Inothercountries,polyethylenepredominates.Since1960,thegreenhousehasevolvedintomo
7、rethanaplantprotector.Itisnowbetterunderstoodasasystemofcontrolledenvironmentagriculture(CEA),withprecisecontroloverairandroottemperature,water,humidity,plantnutrition,carbondioxideandevenlight.从1960年
