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Fertility Best Management Practices for Phosphorus Control on Organic Soils: Banding fertilizer
http://edis.ifas.ufl.edu/ ( Publisher's URL )
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STANDARD VIEW MARC VIEW
Permanent Link: http://ufdc.ufl.edu/IR00001220/00001
 Material Information
Title: Fertility Best Management Practices for Phosphorus Control on Organic Soils: Banding fertilizer
Series Title: Fertility Best Management Practices for Phosphorous Control on Organic Soils series
Alternate Title: Fertility BMPs for P Control on Organic Soils: Banding of Fertilizer
Fertility Best Management Practices for Phosphorus Control onOrganic Soils: Banding fertilizer
Abbreviated Title: Banding fertilizer
Physical Description: Fact Sheet
Creator: Bottcher, Del
Hanlon Edward A. (Edward Aloysius) 1946-
Izuno, Forrest T.
Publisher: University of Florida Cooperative Extension Service, Institute of Food and Agriculture Sciences, EDIS
Place of Publication: Gainesville, Fla.
Publication Date: 1992
 Subjects
Subjects / Keywords: Everglades Agricultural Area
Fertilizers -- Application -- Everglades
Phosphorus -- Environmental aspects -- Florida -- Everglades
Genre:
Spatial Coverage: Everglades Agricultural Area
 Notes
Abstract: Background -- Background to banding of fertilizer -- Getting started with banding -- References.
Acquisition: Collected for University of Florida's Institutional Repository by the UFIR Self-Submittal tool. Submitted by Diana Hagan.
Publication Status: Published
General Note: "Original publication date December 1992. Reviewed July 2002."
General Note: "AGR53"
 Record Information
Source Institution: University of Florida Institutional Repository
Holding Location: University of Florida
Rights Management: All rights reserved by the submitter.
System ID: IR00001220:00001

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FertilityBMPsforPControlonOrganicSoils:BandingofFertilizer Page2 techniquesforpost-plantconditions,theso-called diagnostictest,requirelimitingrandomized subsamplingtotheactiverootandbandedzone. Post-plantsoiltestinghasnotbeenpromoted primarilybecausetissuetestingisamorereliable indicatorofthenutrientstatusinthefield.Further, diagnosticsoiltestingcannotbeinterpreted accuratelybecausedataforsuchsamplesislimited andinorganicsoilsthemineralizationrateforthat partoftheseasonisunknown. Theresidualeffectofpreviouslybandedfertilizer applicationshavenotbeendocumentedtocreate significantnon-uniformsoilfertilityconditionsina fieldforthenextcrop.Subsequenttillagenormally mixesthesoilsufficiently.Matchingsubsequentcrop patterntoresidualbandsmightbepossiblebuthas notbeenstudied.GETTINGSTARTEDWITHBANDINGThefollowingprocedureissuggestedtomakethe transitionfrombroadcasttobandfertilization. Sudden,largechangesinfarmoperationsarenot recommended.Itisimportanttogainfurther experiencewiththeBMPsinordertogainconfidence andpreventundesirableproblems. StepOne.ContacttheInstituteofFoodand AgriculturalSciencescropspecialistattheEverglades ResearchandEducationCentertoobtainthelatest informationonbandingforthecropofinterest. Specificinformationforlettuceandsweetcornhas beenreportedbySanchez,etal.(1990and1991).If informationisnotavailable,oristoolimitedforyour use,pleasecontinuewithstep s2-3. StepTwo.Selectionofbandingequipmentisthefirst stepindevelopinganeffectivefertilizerbanding program.Figures1-5showthecommontypesof availablebandingequipment.Thisequipmentcanbe usedindependentlyorincombinationwithotherfield equipmentsuchasplanters,cultivators,tillers,or sprayers.Wheneverpossible,wesuggestthatbanding equipmentbeincorporatedwithotherequipmentto minimizefieldoperations. Phosphorusfertilizercanbeappliedineithera liquidorgranularform,thoughtheliquidistypically morecostly.Liquidfertilizersrequireapositive displacementpumptoassureuniformapplication which,typically,isbetterthanthemoreprevalent granularspreadingsystems.Granularspreadersuse aslottedrotatingdrumordisksystemstodispense thegranules.Onceappliedtothesoil,fertilizer uniformitywithinthebandwillalsovaryaccordingto theform.Liquidstendtoformnutrientrichfingers alongmacroporesinthesoilafterapplicationasa functionofmoisturecontent,soiltypeandstructure. Granularforms,ontheotherhand,willnotspreadas quicklyandwillthereforetendtoreleasethe phosphorustothesurroundingsoilmoreslowly. Therewillobviouslybeabalancebetween uniformityofapplicationandthecostofthe applicationequipment.Therefore,thevalueofthe cropanditssensitivitytobandingmustbeconsidered whenselectingequipment.Theuniformlytilled bandingsystemisthemostexpensive,whilethe surfacestripapplicatoristheleastexpensive.Ifthe appropriatefieldequipmentforyourconditioncan notbedeterminedfromtheavailableliterature,then fieldtestsareneeded.Fieldtestingbasicallyrequires thatvariousapplicationtechniquesbeusedin randomizedreplicatedplotexperiments.The specificsofsettingupfieldtrialswillnotbedescribed here,butcanbeobtainedthroughtheFlorida CooperativeExtensionService,Instituteof AgriculturalSciences. StepThree. Oncetheequipmentandapplication techniqueshavebeenselected,itbecomesnecessary torunstandardfertilitytrialstodeterminetheCST responsecurvesforyourcropandsoilconditions. Theproblemsdescribedearlierconcerningsoil samplingandresidualfertilizermustbeconsidered onceagainduringthesefertilitytrials.Again,toget detailsontheappropriateproceduresforconducting thefieldtrials,pleasecontactyourextensionagent.REFERENCESSanchez,C.A.,S.Swanson,andP.S.Porter.1990. "BandingtoImproveFertilizerUseEfficiencyof Lettuce". JournaloftheAmericanSocietyof HorticulturalScience 115(4). Sanchez,C.A.,P.S.Porter,andM.F.Ulloa.1991. "RelativeEfficiencyofBroadcastandBanded PhosphorusforSweetCornProducedon Histosols". SoilScienceSocietyofAmerica Journal,55,May-June.

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FertilityBMPsforPControlonOrganicSoils:BandingofFertilizer Page3 Espinoza,L.A.1992. ResponseofCeleryto PhosphorusRateandPlacementonHistosols. MasterThesis.SoilandWaterScience. UniversityofFlorida.Gainesville,FL. Figure1. LiquidDeliverySystem Hanlon,E.A.,G.Kidder,andB.L.McNeal.1990. Soil,ContainerMedia,andWaterTesting InterpretationsandIFASStandardizedFertilization Recommendations. IFAS,Univ.ofFla,Coop. ExtensionCircular817.49pp. Figure2. GranularDeliverySystem Figure3. Commontypesofgroundbandingequipment:surfacebanding

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FertilityBMPsforPControlonOrganicSoils:BandingofFertilizer Page4 Figure4. Commontypesofgroundbandingequipment:diskbanding Figure5. Commontypesofgroundbandingequipment:tilledbanding