云南省烟草漂浮育苗用水效率影响因素分析

打开文本图片集

中图分类号：S572 文献标识码：A

文章编号：0439-8114（2025）05-0105-07

DOI：10.14088/j.cnki.issn0439-8114.2025.05.016 开放科学（资源服务）标识码（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号 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

中国农业用水量占全社会用水总量的 60% 以上[1]，2018年3月水利部印发的《深化农田水利用改革的指导意见》要求坚持节水优先方针，加强农业用水管理，推动从提高供水能力向更加重视提高节水能力转变。（剩余7583字）