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1、surfacedripirrigation,nosignificantdifferenceswasfoundonrootgrowthcharacteristics.Undersubsurfacedripirrigationthehorizontaldistributionratioofrootsystemofprocessingtomatoweresignificantlyhigheruniformthanundersurfacedripirrigation.Comparedwithundersur
2、facedripirrigation,itsignificantlybenefitsgrowthrootsystemofprocessingtomatoundersubsurfacedripirrigationintherelativewaterstresscondition.(2)Ingeneral,canopyphotosyntheticrateofprocessingtomatoundersubsurfacedripirrigationwassignificantlyhigherthanund
3、ersurfacedripirrigationintherelativewaterstresscondition,whileleafchlorophyllcontenttothecontrary.Onday14afterFloweringdate,thegrowthofaerialpartsofprocessingtomatosignificantlywasinhibitedintherelativewaterstresscondition;Comparedtoundersurfacedripirr
4、igation,undersubsurfacedripirrigationitwassignificantlybeneficialtogrowth.ofshootofprocessingtomatointherelativewaterstressconditionontheRedfruitdate.(3)UnderSubsurfaceDripIrrigationwateruseefficiencyofprocessingtomatowassignificantlyhigherthanundersur
5、faceDripIrrigationintherelativewaterstresscondition.Ingeneral,undersubsurfacedripirrigationfruitweight,fruitnumberofprocessingtomatoweresignificantlybetterthanundersurfacedripirrigationintherelativewaterstresscondition.(4)Onthewholeprocessofgrowthandde
6、velopmentofprocessingtomato,comparedwithundersurfacedripirrigation,undersubsurfacedripirrigationgrowthanddevelopmentprocessofprocessingtomatowasnotsignificantlyaffectedinwatersufficientcondition,However,intherelativewaterdeficitstate,theprocessofgrowth
7、anddevelopmentofprocessingtomatoundersubsurfacedripirrigationwassignificantlydelayed,andfruitripeninghasbeendelayed.(5)Comparedwithundersurfacedripirrigation,inthewaterrelativedeficiencystate,althoughundersubsurfacedripirrigationtomatolycopenecontentwa
8、sincreased,butthemainformationoffruitflavor,freeaminoacids,solubleprotein,solublesugar,solubleacidcontent,solublesolidsandfruitsugaracidratioweredecreased,andnitratecontentinfruitwasincreased,thus,fruitqualitywasreduced.Keywords:subsurf
