IRRIGATIONIRRIGATION

Rick SchlegelRick Schlegel

Agricultural EngineerAgricultural Engineer

USDA - NRCS OKLAHOMAUSDA - NRCS OKLAHOMA

HOW IS OKLAHOMA NRCS HOW IS OKLAHOMA NRCS ASSISTING WITH IRRIGATION ASSISTING WITH IRRIGATION

AND SAVING WATER?AND SAVING WATER? INSTALLING MORE EFFICIENT IRRIGATION INSTALLING MORE EFFICIENT IRRIGATION

SYSTEMSSYSTEMS DEVELOPING IRRIGATION WATER DEVELOPING IRRIGATION WATER

MANAGEMENT PLANSMANAGEMENT PLANS PROMOTING IRRIGATION SCHEDULING USING PROMOTING IRRIGATION SCHEDULING USING

EVAPOTRANSPIRATION (ET)EVAPOTRANSPIRATION (ET) PROMOTING WELL DECOMMISIONINGPROMOTING WELL DECOMMISIONING

HOW CAN WE MAKE SYSTEMS HOW CAN WE MAKE SYSTEMS MORE EFFICIENT?MORE EFFICIENT?

CONVERTING FROM LESS EFFICIENT FURROW OR CONVERTING FROM LESS EFFICIENT FURROW OR SIDE ROLL IRRIGATION SYSTEMS TO MORE SIDE ROLL IRRIGATION SYSTEMS TO MORE EFFICIENT CENTER PIVOTS OR LINEAR SYSTEMSEFFICIENT CENTER PIVOTS OR LINEAR SYSTEMS

CONVERTING LESS EFFICIENT SPRINKLER CONVERTING LESS EFFICIENT SPRINKLER SYSTEMS TO GREATER EFFICIENCIES OR SYSTEMS TO GREATER EFFICIENCIES OR REPLACING WITH SUBSURFACE DRIP SYSTEMS REPLACING WITH SUBSURFACE DRIP SYSTEMS

GENERALLY SPEAKING, WHAT GENERALLY SPEAKING, WHAT TYPES OF INEFFICIENT TYPES OF INEFFICIENT

SYSTEMS ARE WE SYSTEMS ARE WE REPLACING?REPLACING?

Furrow SystemsFurrow Systems Hand Move SystemsHand Move Systems Side Roll SystemsSide Roll Systems Conventional Impact SystemsConventional Impact Systems Conventional Spray SystemsConventional Spray Systems

FURROW IRRIGATION

FURROW IRRIGATION USING SIPHON TUBES

FURROW IRRIGATION USING GATED PIPE AND SURGE VALVE

Furrow Irrigation Using Collapsible Gated Pipe

Hand Move Sprinkler System

CONVENTIONAL SIDE ROLL CONVENTIONAL SIDE ROLL IMPACT SPRINKLERIMPACT SPRINKLERSide Roll Sprinkler

System

CONVENTIONAL IMPACTCONVENTIONAL IMPACT

CONVENTIONAL SPRAYCONVENTIONAL SPRAY

WHAT TYPES OF SYSTEMS ARE WE WHAT TYPES OF SYSTEMS ARE WE PROMOTING TO REPLACE THE PROMOTING TO REPLACE THE

OLDER LESS EFFICIENT SYSTEMS?OLDER LESS EFFICIENT SYSTEMS?

LEPA - Low Energy Precision ApplicationLEPA - Low Energy Precision Application LESA - Low-Elevation Spray Application LESA - Low-Elevation Spray Application LPIC - Low Pressure In-CanopyLPIC - Low Pressure In-Canopy MESA - Mid-Elevation Spray ApplicationMESA - Mid-Elevation Spray Application Subsurface Drip Irrigation SystemsSubsurface Drip Irrigation Systems

LEPA & LESALEPA & LESA

IRRIGATION IRRIGATION SYSTEMSSYSTEMS

LEPA SYSTEMLEPA SYSTEM

LEPA SYSTEM

LESA SYSTEM

LPIC & MESALPIC & MESA

IRRIGATION IRRIGATION SYSTEMSSYSTEMS

LPIC SYSTEM

MESAMESAMESA SYSTEM

USDA-NRCS Sprinkler Certification USDA-NRCS Sprinkler Certification RequirementsRequirements

CPED PROGRAMCPED PROGRAMUSDA-ARS developed the computer programUSDA-ARS developed the computer program

CPED needs a pivot design printout from the CPED needs a pivot design printout from the manufacturer for input datamanufacturer for input data

CPED is used to certify the Coefficient of CPED is used to certify the Coefficient of Uniformity (CU) of the pivotUniformity (CU) of the pivot

OTHER SYSTEM OTHER SYSTEM IMPROVEMENTSIMPROVEMENTS

INSTALLING PRESSURE REGULATORSINSTALLING PRESSURE REGULATORS INSTALLING FLOW METERSINSTALLING FLOW METERS INSTALLING CHEMIGATION VALVESINSTALLING CHEMIGATION VALVES WELL DECOMMISSIONINGWELL DECOMMISSIONING

PRESSUREPRESSUREREGULATORSREGULATORS

PRESSURE

FLOWMETER

CHEMIGATION VALVECHEMIGATION VALVE

WELL DECOMMISSIONING

DRIP IRRIGATION SYSTEMSDRIP IRRIGATION SYSTEMS

Drip Tapes

DRIP LINES PLOWED IN

FILTER SYSTEM

DEVELOPING DEVELOPING IRRIGATIONIRRIGATION

WATER MANAGEMENT WATER MANAGEMENT PLANSPLANS

IRRIGATION IRRIGATION SCHEDULING USINGSCHEDULING USING

EVAPOTRANSPIRATIONEVAPOTRANSPIRATION

( ET )( ET )

ET GAGE

EVAPOTRANSPIRATION USING EVAPOTRANSPIRATION USING THE OKLAHOMA MESONETTHE OKLAHOMA MESONET

MESONET SITE