云南省煙草漂浮育苗用水效率影響因素分析

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中圖分類號：S572 文獻標識碼：A

文章編號：0439-8114（2025）05-0105-07

DOI：10.14088/j.cnki.issn0439-8114.2025.05.016 開放科學（資源服務(wù)）標識碼（OSID）：回

Analysis of influencing factors on water use efficiency of tobacco floating seedling in Yunnan Province

YUANGuo-yi，LI Xiang-yang2，LIU Zheng-hong2，DING Cong-kai2，ZHU Xuan-quan1，BAIYu-xiang1，WANGGel， WANG Na1 ， ZHOU Peng1 ，DU Yu1 ， SONG Jie2

（1.Collgeofaccene，ngriculuralUivesityugi;.acYuaprt&Eood， Kunming 650031，China；3.Chuxiong Company ofYunnan Tobacco Corporation，Chuxiong ，Yunnan，China）

Abstract：Inordertoprovideatheoreticalbasisforimprovingtheutilizationrateofwaterresourcesandpromotingthedevelopment andimprovementofseedlingaisingmethods，thewaterconsumptionoftobaccofloatingsedlinginYunnantobacoareawasinvestigated.Bymeansofinquiryvisitandonthspotinvestigation，theseedlingraisingbasesintypicaltobaccoplantingareasofpre fecturesandcitisinYunanProvincewereseletedforinvestigationndthefactorsfctingtheateruseefcicyofoaigsedlingraising wereanalyedandclaified.Theresultsshowedthat，thereweretwosedlingspecificationsfortransplantingsedlingsunderfilm（smallseedlings）andconventional transplanting（largeseedlings）inthesurveyarea.Thetotal waterconsumptionandwater consumption of tobacco seedlings were 311.74kg/m2 and 216.48kg/m2 ， 374.53kg/m2 and 248.64kg/m2 ，respectively，and there was （204號 99.48kg/m2 ineffective water in the process of seedling raising，accounting for about 31.05% of the average total water consumption. In termsofwateruseeficiency，ChuxiongbasewasthelowestandYuxibasewasthehighest.Thewateruseeficiencyofsmallseedlingswassignficantlyegaielyorrelatedwiththeoftesedlingtrayndtewaterusfcenyfgesedlingssiificantlyngatielyoreatedwithlongide.Tereweediferenesinsdingwaterconsumptinindifenttobaccareas；thlngitudeofthsedingpoint，teareaoftesedingpoolandtesizeofteseding trayereimportantfctorsafecingthefciency f theseedling wateruse.Thewaterconsumptionofsmallseedlings wasobviouslylowerthanthatoflargesdlings.Thewateueficiencyofsmallsedlingscouldbimprovedbyusingsmalerseedling trayspecifications.Thewateruseeficiencyoflargesedlings was positively correlated with seedling tray specifications ，seedling pool area and other factors.

Key Words：tobaccofloating seedling；wateruseeficiency；correlationanalysis；influencing factors；YunnanProvince

中國農(nóng)業(yè)用水量占全社會用水總量的 60% 以上[1]，2018年3月水利部印發(fā)的《深化農(nóng)田水利用改革的指導(dǎo)意見》要求堅持節(jié)水優(yōu)先方針，加強農(nóng)業(yè)用水管理，推動從提高供水能力向更加重視提高節(jié)水能力轉(zhuǎn)變。（剩余7583字）