<%BANNER%>

UFIR IFAS



Using Home Water Pumps To Irrigate Small Acreage And Increase Farm Income
http://edis.ifas.ufl.edu/ ( Publisher's URL )
CITATION PDF VIEWER
Full Citation
STANDARD VIEW MARC VIEW
Permanent Link: http://ufdc.ufl.edu/IR00001709/00001
 Material Information
Title: Using Home Water Pumps To Irrigate Small Acreage And Increase Farm Income
Physical Description: Fact Sheet
Creator: Harrison, Dalton S.
Publisher: University of Florida Cooperative Extension Service, Institute of Food and Agriculture Sciences, EDIS
Place of Publication: Gainesville, Fla.
Publication Date: 1992
 Notes
Acquisition: Collected for University of Florida's Institutional Repository by the UFIR Self-Submittal tool. Submitted by Melanie Mercer.
Publication Status: Published
General Note: "Publication date: November 1992."
General Note: "EES-46"
 Record Information
Source Institution: University of Florida Institutional Repository
Holding Location: University of Florida
Rights Management: All rights reserved by the submitter.
System ID: IR00001709:00001

Downloads

This item is only available as the following downloads:

EH20700 ( PDF )


Full Text

PAGE 1

FactSheetEES-46 November1992 UsingHomeWaterPumpstoIrrigateSmallAcreageand IncreaseFarmIncome1 DaltonS.Harrison2Mostrural,northFlorida,smallfarmers'homes alreadyhavetheirownhomewatersystems.These areusually1/3,1/2,3/4,1and1-1/2HPsubmersible, centrifugalorjetpumps.Pressuresoperatedbythese pumpsaregenerally20psi(on)to40psi(off). Wateroutputrangesfrom8gallonsperminute(8 GPM)to30gallonsperminute(30GPM). Thesearewellsuitedforirrigatingvegetablesor specialtycrop"acreagefrom1/4to2.0acreswithdrip irrigationwithoutinterruptingthehomewaterneeds required.Theycanhelp(byirrigation)toproduce cashcropsforroadsidemarkets,asfreshfruitor vegetables,ranginginnetprofitfrom$1,500to$6,000 peracreonanannualbasisforincreasingtotalfarm income,withlittleincreaseinenergycosts.These increasesinenergymaybeaslittleas$51to$102per yearforeachfarmutilizinga1-1/2HPpumpand irrigating120days/year,yetincreasingthesmall farmers'cashincome. Thisisaccomplishedbysimplyinstallinga portable"trickle(drip)irrigationsystem"(eitherBiWallorTwin-Walltubing)whichisportable,on double-rowbeds,andmaybeutilizedforsome5to7 yearsforaslowas$165to$300initialcost, dependentupontheacreage(for1/4to2acre specialtycrops). Thereisnorequiredpurchaseofawell,pumpor powerunit(electricmotor)sincetheseitemsare alreadyapartofthefarmfamilyhomesteadandwill notbeaninitialcapitaloutlayforthefarmer.The onlyinitialcapitalcostisforthetrickle(drip) irrigationtubinganditsaccessoriessuchaspressure regulator,andfilteranddriplinesonconnecting Tees,asshownintables1and2. Watersourcesfromonespigotrangefrom5to8 GPM;whereasarequiredwatersupplyof20-30GPM mayrequirethattheTeebeplacedbetweenthe checkvalveandthepressuretankwithaTee,gate valve,filterandpressureregulatortoinsurean adequatecontinuoussupplywithoutinterrupting homewateruse. 1.ThisdocumentisFactSheetEES-46,aseriesoftheFloridaEnergyExtensionService,FloridaCooperativeExtensionService,InstituteofFood andAgriculturalSciences,UniversityofFlorida.Publicationdate:November1992. 2.DaltonS.Harrison,ProfessorEmeritusandFormerEnergyExtensionSpecialist,CooperativeExtensionService,InstituteofFoodand AgriculturalSciences,UniversityofFlorida,GainesvilleFL32611. TheFloridaEnergyExtensionServicereceivesfundingfromtheFloridaEnergyOffice,DepartmentofCommunityAffairsandisoperated bytheUniversityofFlorida'sInstituteofFoodandAgriculturalSciencesthroughtheCooperativeExtensionService.Theinformation containedhereinistheproductoftheFloridaEnergyExtensionServiceanddoesnotnecessarilyreflecttheviewsoftheFloridaEnergyOffice. TheInstituteofFoodandAgriculturalSciencesisanequalopportunity/affirmativeactionemployerauthorizedtoprovideresearch,educational informationandotherservicesonlytoindividualsandinstitutionsthatfunctionwithoutregardtorace,color,sex,age,handicap,ornational origin.Forinformationonobtainingotherextensionpublications,contactyourcountyCooperativeExtensionServiceoffice. FloridaCooperativeExtensionService/InstituteofFoodandAgriculturalSciences/UniversityofFlorida/ChristineTaylorStephens,Dean

PAGE 2

UsingHomeWaterPumpstoIrrigateSmallAcreageandIncreaseFarmIncome Page2 Table1. Examplesofequipmentneededforadripirrigationsystem,includingpartsandnumberofeach,and retailcostestimatesfora1/4-acregarden. No.Required Material Est.Costs 1each HardieHoseFilter,3/4"Connection(orequal substitute) $11.49 1each 3/4"MPTx3/4"MPTCloseNipple .35 1each SenningerPressureRegulator,(orequalsubstitute)10 psi(810GPM) 6.95 1each 1"Barbx3/4"MPTConnector .40 168ft. 1"OvalorRegularP.E.Tubing 23.75 19each LayFlatorRegularP.E.Adaptors 9.50 1each HoseEndCap,1" 1.32 3,040ft. HardieDripStrip(15-12x72) (orequalsubstitute) 91.20 19each HardieDrainValves(FDV9200)(orequalsubstitute) 19.00 ApproximateTotal Cost $163.96 Discountsmaybe10-20%,orevenmore. Table2. PumpHP,GPMrequired,(est)acrescoveredforDripIrrigationplots,applying1/4-inchirrigationin 5hrsand10hrsoperatingtime,andestimatedcostsasshowninTables1-2andFigures1-2. PumpHP GPM(Est.) No.AcresIrrigated/3hrs. No.AcresIrrigated/6hrs. 1/4 5.6-7.6 1/4acre 1/2acre 1/2 7.6-11.21/2acre 1.0acre 3/4 11.2-16.8 3/4acre 1.5acres 1 22.4-251acre 2.0acres 11/2 25-30 1acre 2.0acresENERGYUSEONIRRIGATEDFARMSOnmanyirrigatedfarms,waterdeliverytothe plantrootzoneviairrigationrequiresmoreenergy thanallotherfarmoperationscombined(Smerdon, 1977;Battey,etal.,1975).InFlorida,citrus productionconsumesonethirdofallenergy consumedforirrigation(Stanley,1980). Itisestimatedthatforfieldandrowcrop productionirrigationsystemsinFlorida,energy consumedbyirrigationmaybeasmuchasone-fourth toone-thirdofallenergyconsumedforallproduction costs;therefore,energyconsumptionforirrigationis amajorcosttoconsider.Yet,becauseof unpredictablerainfallandsandysoils,irrigation pumpingforoptimumcropproductionisconsidered anecessityformanycrops,especiallyvegetablecrops.SPECIALTYCROPSForspecialtycropssuchas"pick-your-own" vegetablecropsandorchardcrops,irrigationpumping isconsideredoneoftheessentialtoolsofproduction andshouldbeconsideredintheplanningstagesfor growingthesecrops.Forexample,thecombined farmpracticesintheproductionoftomatoes(through retailing)requiresabout0.13kwhofenergyto produceonepoundoftomatoes(FluckandBaird, 1979).Forstrawberriesandwatermelons,thetotal

PAGE 3

UsingHomeWaterPumpstoIrrigateSmallAcreageandIncreaseFarmIncome Page3energyrequiredis0.08and0.38kwhperpoundof Figure1.Schematiclayoutfor1/4acregardenor fruits,utilizingadripirriationsystem. fruit,respectively.Irrigationenergyrequiredisonly apartoftheabovefiguresbutmaybeashighasonethirdtoone-halfthekwhrequiredforproduction only.StrawberriesAnexampleofproducinghighcashcropson smallacreageistheproductionofstrawberries, reportedintheFloridaGrowerandRancher magazineinitsFebruary1988issueforthePlantCity, Florida,areaforthe1985-86season.There, producers(mostofthemsmallfarmers)harvested7.9 millionflatson4,900acres,foranaverageyieldof 1,612flats(12pints/flat)peracre,withagrosscash valueof$5.08/flat,andacashgrossvalueperacreof $8,188.96.Ifweassumeproductioncosts$4,000per acre,then1/2-acreofstrawberriescouldnetasmall farmer$2,000-$4,000ona"pick-your-own"operation andagrowercouldconceivablyearnashighas$6,000$7,000peracre.Ofcourse,situatednearatownor communityofdemandwouldenterintoadecisionto growstrawberries,butespeciallycropssuchasgrapes, blueberries,melonsandfruitscertainlysuggesta"high Figure2.Exampleofaheaderormanifoldatendof fieldsupplying1/4acreplot,for1/3hphomewater pumpforirrigation. cashoption"cropforsmallfarmers,inutilizingtheir homeirrigationsystemsformorecashflow,rather than"cheap"fieldcrops.TomatoesResearcherswithUSDA,ARS,atFresno,California,reportedyieldsof50tons/acreofripetomatoes irrigatedbyundergrounddripirrigationon1/2-acre plotsin1987.Thisisequivalentto100tonsfora1acreplot,sinceeachresearchplotconsistedofonly 1/2-acre.Onabove-the-grounddriptubingtheyield was60tons/acre. Intheaccompanyingpagesare(1)designsof systems,rangingfrom1to2acres(Figures1,2,3) and(2)materialsandestimatedcostswhichmaybe purchasedatlocalfarmsupplystoresorirrigation supplyretailoutlets(Tables1-2).Operating schedulesandregimesfortheirrigationsystemsand

PAGE 4

UsingHomeWaterPumpstoIrrigateSmallAcreageandIncreaseFarmIncome Page4anestimationofenergycostsfortheirrigation Figure3.Layoutofbedswithdroptubingand2rows ofplantsoneach3-1/2ftbed,for1/4acreplot,and optionalplasticcovers. systems,dependingonkwhratesforthelocalarea, areincludedinthesampleplans. Inaddition,thesameportabledripsystemcanbe utilizedtoproduce2to3cropsperyearanddrasticallyincreasethefarmer'scashincome,andatthe sametimecomplementhishomeconsumptionof freshfruitandvegetablesfordirectuseandfreezer useforwinterperiods. ThesepracticesarenotedthroughouttheU.S. andsmallfarmerscanbenefittremendouslyby utilizingthisregimetoincreaseincomeandthus reducethecashandenergynecessarytopurchase freshvegetablesandfruitsatalocalretailgrocery store. Thisirrigationprocesscanhelpsmallfarmersto increasesalesoffreshfruitsandvegetables,thereby supplementingtheirincomesandincreasingtheir smallincomeforothernecessitiesoflife.ATTACHINGTOPUMPSORSPIGOTS1.Small1/3to1/2HPPumpatHouse:When utilizingonlya1/4-acreplot,the3/4-inchmanifold (Fig.2)musthaveenoughhose(manifold,3/4-inch) tohookuptoaspigotatthehouse,solongasthe extensionisnotmorethan100feetinlength.2.Small3/4to1HPPumpatHouse:Placea galvanizedTeeatthepump,betweenthecheckvalve andthepressuretankandagatevalve(1inch)onthe outletside,thenruna1-inchP.E.linetoeachofthe 3/4-inchmanifoldsservinga1/4-acreto1/2-acreplot.3.Small1to1-1/2HPPumpatHouse:Usethe sameprocedureas2above,exceptuse1-1/2inch mainlinefeederhose,toeachofthe1/4-acreplots, plusfilterandpressureregulator(sincemostdrip linesaredesignedtooperateatabout10psi).SUMMARYPlansandproceduresarepresentedtoaidthesmall farmerinproducing"highcash"valuevegetableorspecialty cropstoincreasetheirfarmincomesignificantlywithlittle investmentnecessaryREFERENCESBateman,CatheyL.,1988. GrowerGetsMostFrom StrawberryLand.FloridaGrowerandRancher Magazine,Vol.81,No.2,February1988. ChapinWatermatics,Watertown,N.Y.,1988.13601. Fluck,R.C.andC.D.Baird.,1980. AgriculturalEnergetics TheAVIPublishingCo.,Westport,CT HardieIrrigation,Sanford,FL32773. Smerdon,E.T,1980. DesignandMaintenanceofFarm IrrigationSystems,ASAEMonograph,STJoseph,MI. Smith,Ron.,1988. SpecialtyCropsAddFarmOptions SoutheastFarmPress,Raleigh,NC. Stanley,J.M.,1980, CitrusEnergySurveyUseEstimates andConservation.IFAS,UniversityofFlorida,1980