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1、中国水稻科学(ChinJRiceSci),２０１６,３０(１):７５－８４http://www．ricesci．cnDOI:１０．１６８１９/j．１００１Ｇ７２１６．２０１６．５０５８７５膜下滴灌水稻优化毛管配置模式及适宜灌溉强度的研究何海兵１,２杨茹２武立权１马富裕２,∗(１安徽农业大学农学院,合肥２３００３６;２石河子大学农学院,新疆石河子８３２００３;３安徽省农业科学院作物研究所,合肥２３００３１;∗通讯联系人,EＧmail:mfy_agr＠shzu．edu．cn)OptimalCapillaryConfigurationModesandI
2、rrigationIntensitiesforDripIrrigationwithPlasticFilmMulchinginRiceHEHaiＧbing１,２,YANGRu２,WULiＧquan１,MAFuＧyu２,∗(１CollegeofAgronomy,AnhuiAgriculturalUniversity,Hefei２３００３６,China;２CollegeofAgronomy,ShiheziUniversity,Shihezi８３２００３,China;３AnhuiAcademyofAgriculturalSciences,Hefei２３０
3、０３１,China;∗Correspondingauthor,EＧmail:mfy_agr＠shzue．duc．n)HEHaibing,YANGRu,WULiquan,etal．Optimalcapillaryconfigurationmodesandirrigationintensitiesfordripirrigationwithplasticfilmmulchinginrice．ChinJRiceSci,２０１６,３０(１):７５Ｇ８４．Abstract:Riceunderdripirrigationwithplasticfilmmulch
4、ingperformancesapotentialandhighproductivityinaridandsemiaridregions．Capillaryconfigurationmodeandirrigationintensityarekeyfactorsforhighgrainyield．Todetermineoptimumcapillaryconfigurationmodeandirrigationintensityinkeygrowthstages,plotexperimentswereconductedwithtwocultivars
5、in２０１１inShiheziCityofnorthernXinjiangundervariouscapillaryconfigurationmodesandirrigationintensities．Thepopulationshowedthemostuniformgrowthunderonesheetofplasticfilmmulching(１．６mwide)withfourdriptapesandeightrowsofrice(R１),followedbyonesheetofplasticfilmmulchingwithtwodripta
6、pesandeightrowsofrice(R２)andonesheetofplasticfilmmulchingwithonedriptapeandeightrowsrice(R３)．IntheR２treatment,therapidgrowthofriceplantsintherowneartothedriptapemadeupfortheslowergrowthofriceplantsinthesecondrowfromthedriptape．Therewerenosignificantdifferencesingrainyield,wat
7、eruseefficiency,andeconomicreturnbetweentheR１andR２treatments．However,intheR３treatment,ricegrowthanddevelopmentwasseriouslyreducedthroughoutthegrowingseasoninthetworowsfarthestfromthedriptape(i．e．,thethirdandfourthrows)．Asaresult,grainyield,wateruseefficiency,andeconomicreturn
8、weresignificantlylowerintheR３treatmentthantheR１andR２treatmentsacross
