Energy For Florida Grapefruit

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Material Information

Title:
Energy For Florida Grapefruit
Physical Description:
Fact sheet
Creator:
Fluck, Richard C.
Publisher:
University of Florida Cooperative Extension Service, Institute of Food and Agriculture Sciences, EDIS
Place of Publication:
Gainesville, Fla.
Publication Date:

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: October 1992."
General Note:
"EES-82"

Record Information

Source Institution:
University of Florida Institutional Repository
Holding Location:
University of Florida
Rights Management:
All rights reserved by the submitter.
System ID:
IR00004825:00001


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FactSheetEES-82 October1992 EnergyforFloridaGrapefruit1 RichardC.Fluck2Grapefruitweregrownon121,600acresin EnergyFacts FloridaGrapefruit 121,600acres,5.0%ofthecroppedland. Statewide,use 6.75trillionBtu ofenergy, 5.5%ofallenergyused inFloridaagriculture. Per85-poundbox,uses 151,800Btu ofenergy. $30returnpermillionBtu ofenergyused. Floridaandrankthird(behindorangesandfoliage) amongallFloridaagriculturalcommoditiesindirect energyrequirementsandfifthintotalprimaryenergy requirements.Grapefruitproductionrequiresa significantportionoftheenergy,8.6%ofthedirect energyand5.5%ofthetotalprimaryenergy,required forallFloridaproductionagriculture.Statewide, grapefruitproductionaccountsfor3.34trillionBtuof directenergyand6.75trillionBtuoftotalprimary energy. Theamountofdirectenergyforgrapefruit productioninFAECMis27.4millionBtu/acreand thetotalprimaryenergyis56.3millionBtu/acre.This is73,900Btu(equivalentto0.53gallonsofdiesel fuel)ofdirectenergyper85-poundboxofgrapefruit producedand151,800Btu(equivalentto1.09gallons ofdieselfuel)oftotalprimaryenergyperbox.The majorenergyinputsforgrapefruitproductionare dieselfuelfornon-irrigationpurposes(38%),diesel fuelforirrigation(13%),"othercosts"(10%), nitrogen(9%)andlabor(6%)."Othercosts"for grapefruitconsistsofsuchinputsasrepairs,capital costs,andgroveservices(Figure1,Table2). Comparisonofthevalueofgrapefruitproduction withitsenergyrequirementsshowsthatthedollar valuepermilliondirectBtuof$60isconsiderably belowtheaverageforallFloridaagriculture productionof$136.Thedollarvaluepermilliontotal primaryBtuof$30issomewhatbelowthestate's averageof$44.Theconsumerispurchasingahigher thanaverageinvestedenergywhenpurchasing grapefruitandgrapefruitproductsthanwhen purchasingtheaveragecomplementofFlorida agriculturalproducts.Theproducermayfindthat whenenergypricesincrease,grapefruitwillbecome lesscompetitivethantheaverageFloridaagricultural product,unlessgrapefruitproductioncanbemade moreenergyefficient. 1.ThisdocumentisFactSheetEES-82,aseriesoftheFloridaEnergyExtensionService,FloridaCooperativeExtensionService,InstituteofFood andAgriculturalSciences,UniversityofFlorida.Publicationdate:October1992. 2.RichardC.Fluck,Professor,AgriculturalEngineeringDept.,CooperativeExtensionService,InstituteofFoodandAgriculturalSciences, 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

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EnergyforFloridaGrapefruit Page2FLORIDAAGRICULTUREPRODUCTION ENERGYThedatapresentedinthisfactsheetwere developedusingtheFloridaAgriculturalEnergy ConsumptionModel(FAECM),acomputermodel. FAECMusesacresofproductionorlivestock numbersandtheenergyusedtomaketheproduction inputsrequiredperacreorperheadtoquantifythe primary energyusedinFloridaforagricultural production.This primary energyconsumption includesfuels,lubricantsandelectricity,called direct energyinputs,aswellastheenergyusedinproviding allproductioninputs( indirect energyinputs). Ittakesenergytodrillanoilwell,pumpthe crudeoilout,refineitandtransportthedieselfuelto thegrower.Ittakestheenergyinthenaturalgas feedstockplustheenergyusedtoconstructthe productionplant,powertheproductionplantand drivethetrucktogetthenitrogenfertilizertothe grower.FAECMquantifiestheeightdirectenergy sources(dieselfuel,LPgas,etc.),theindirectenergy usedtomakethoseeightenergysourcesavailableand theindirectenergyusedtoprovidethirteenmajor agriculturalinputs(nitrogenfertilizer,pesticides,etc) todeterminetheenergyrequiredtoproduce agriculturalcommoditiesinFlorida. Intotal,FAECMisamodelthatpredictsallthe energyrequiredtoprovideallinputsnecessary,upto thefarmgate,forallofFlorida'sagricultural production,FAECMdoesnotaddressenergy requirementsforanytransportation,packing, processing,distributionorotherfunctionsprovided foragriculturalcommoditiesaftertheyleavethefarm gate. FAECMshowsthatdirectenergyinputsfor Floridaagriculturalproductionhaveremained relativelyconstantsince1974(Figure1).Variations areduemainlytochangesincommodityproduction levelsandachangingmixofcommoditiesproduced. Thereductionintotalprimaryenergyisdueprimarily toincreasesinenergyefficiencyofindustrial productionsystemsforagriculturalproductioninputs. Floridaconsumed66%moreenergyin1990than in1974,dueinlargemeasuretoitsincreasedhuman population.Floridaagriculturalproductionenergy, expressedasapercentageoftherapidlyincreasing Floridatotalenergyconsumption,hasdecreased sharplyfrom7.8%in1974to3.9%in1990. Figure1.PrimaryenergyinputsforFloridagrapefruitproduction. TableTable2.2.Primaryenergyinputsfor Floridafoliageproduction. EnergyInputs % Dieselfornon-irrigation 37.7 Dieselforirrigation 13.5 OtherCosts 10.4 Nitrogen 9.4 Labor 6.1 Gasoline 5.8 OtherChemicals 5.6 Herbicides 4.4 Potash 2.1 Lubricants 1.8 Electricforirrigation 1.2 Phosphorous 0.4 Lime 0.2 Otherchemicals 0.2

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