基于实时质量的环境决策灌溉模型在设施基质蓝莓种植的应用研究

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TheApplicationResearch ofEnvironmental Decision IrrigationModel Based onReal-timeWeight inFacilitySubstrateBlueberryCultivationProcess

YAO Caihong1，LI Yang1，WANG Jianchun1，FENG Chengzhi²，BAI Yulong²，WANG Guoliang³ （1.TianjinAcademyofAgriculturalSiences，anjinO9Cina;2.stituteofgiculturalEconomicsndInfoatiosu AcademyofAclturaiesosa;ngfacholopyited，nj Abstract：Inresosetoprobeoflowintellgncendoorgationprecisioinfacilitsubstrateueberrultivatiooe， anenvirnmentaldecisionirigationmodelbasedonreal-timeweightwasproposedinthisstudytoensurethenoralgrowthofblue beyplantandsavewaterandfertlizer.Firstly，theweightof“plant+substrate”whichouldbegotbyautomaticweighingunit，was usedtoreplacetesubstratehumidityasthebasisforiigation，toavoidinaccuratehumiditydatafromsensorcausedbyunevenwater distributioninsbstrateandonlycollctingpartialsubstrateiformatioaroundsensor.Inotherords，thelinearrelationshipetwen theweightof“plant+substrate”andsubstratehumiditywasestablished.Sotheprecisionofiigationbasisasimproved.Secondlyan irigationmodelatablsdiifntgrowthagsoftuebithgatiosarttgtodiifr quency，andsingleirigationamountasfourkeyparameters，according tofivesetsofdata： the weightof“plant + substrate”，thevolumeof irigationeuent，enironmentaltmperature，lightintensityandpotosyheticallyactiveadiationhichwereobaindby multiplesenssistalldinetestingsite.Teigaonodelwasimplemnedroughteintellgtiaoncontrolsi nally，comparativeexperimentcrosingtentirebluebeygowthcycleasoductedtoomparetersultsofaterandfertiler consumption，plantgrowthstatusandfruityieldbetweeenvironmentaldecisioniigationmodelandtimedquantitativeiigationThe result showed that the overall water-saving rate using the environmental decision model increases by11.67 % .Compared with timed quantitativeiigation，theleafareaandfreshleafweightinearlyfruitingperiodwhichcouldacuratelyandcomprehensivelyreflcted theplant growth status in the group using the environmental decision model increased by 32.51% and 28.06% respectively.Meanwhile，the fruit yield as a key evaluation indicator for model effect increased by 12.9% . In conclusion， environmental decision irigationmodelis superior to timedquantitative irrigation in waterand fertilizer conservation and increasing production.

Keywords：oelpaealtht;otalisi;prgai;atetloi

蓝莓果实肉质细腻，味道甜酸适宜，具有抗氧化、防止脑神经衰老、明目、预防癌症、增强心脏功能等功效，已被联合国粮食及农业组织列为“五大健康食品"之一[-2]。（剩余11845字）