Page 222 - 《水资源与水工程学报》2025年第2期
P. 222
!36 "!2 # & ' ( ) & * + , - Vol.36No.2
2025 $ 4 % JournalofWaterResources&WaterEngineering Apr.,2025
DOI:10.11705/j.issn.1672-643X.2025.02.25
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FGHIJ:TV93;S273 KLMNO:A KPQJ:1672643X(2025)02021811
Selectionandconfigurationofrainwaterharvestingsystem
substitutinggroundwaterirrigationforgreenhouse
cropsintheBashangregionofHebeiProvince
SUNMengmeng,ZHANGJizong,ZHANGLifeng,LIHuibin
(CollegeofAgronomy,HebeiAgriculturalUniversity,Baoding071000,China)
Abstract:TheBashangregionofHebeiProvinceplaystheroleofecologicalbarrierandwaterconservation
areafortheJing-Jin-Jiregion;however,themaincashcropssuchasvegetablesandpotatoesinthisre
gionmainlyrelyongroundwaterirrigation ,especiallytheplasticgreenhousecrops,whichareentirelyde
pendentongroundwater.Thishasledtoexcessiveconsumptionofgroundwaterresourcesanddegradation
oftheecologicalenvironment.Inordertoalleviatethisproblemandrespondtothenationalrequirements
fortheconstructionof “twozones”andruralrevitalization,weproposedanalternativeirrigationscheme
forgreenhousekidneybeansintheBashangregionbasedontherainwaterharvestingsystem.Thecostef
fectivenessofdifferenttypesofrainwaterharvestingsystems (simpletank,galvanizedpaneltank,andfi
berglassreinforcedplastictank)wereexaminedunderdifferentvolumesofgroundwatersupplementaryirri
gationbywaterbalanceprincipleandPythonmodelling.Theresultsshowedthatusingthecostoffull
2
groundwaterirrigationproductionfor480m ofstandardgreenhousekidneybeansasareference,theeco
nomicsizeofsimple ,galvanizedpanel,andfiberglasstanksfilledwithrainwaterharvestedbygreenhouse
3
filmwere14.4 ,9.7,and4.8m,respectively,undertheannualprecipitationscenarioof80thpercentile
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