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IRRIGATION Rick Schlegel Agricultural Engineer USDA - NRCS OKLAHOMA.

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Presentation on theme: "IRRIGATION Rick Schlegel Agricultural Engineer USDA - NRCS OKLAHOMA."— Presentation transcript:

1 IRRIGATION Rick Schlegel Agricultural Engineer USDA - NRCS OKLAHOMA

2 HOW IS OKLAHOMA NRCS ASSISTING WITH IRRIGATION AND SAVING WATER? INSTALLING MORE EFFICIENT IRRIGATION SYSTEMS INSTALLING MORE EFFICIENT IRRIGATION SYSTEMS DEVELOPING IRRIGATION WATER MANAGEMENT PLANS DEVELOPING IRRIGATION WATER MANAGEMENT PLANS PROMOTING IRRIGATION SCHEDULING USING EVAPOTRANSPIRATION (ET) PROMOTING IRRIGATION SCHEDULING USING EVAPOTRANSPIRATION (ET) PROMOTING WELL DECOMMISIONING PROMOTING WELL DECOMMISIONING

3 HOW CAN WE MAKE SYSTEMS MORE EFFICIENT? CONVERTING FROM LESS EFFICIENT FURROW OR SIDE ROLL IRRIGATION SYSTEMS TO MORE EFFICIENT CENTER PIVOTS OR LINEAR SYSTEMS CONVERTING FROM LESS EFFICIENT FURROW OR SIDE ROLL IRRIGATION SYSTEMS TO MORE EFFICIENT CENTER PIVOTS OR LINEAR SYSTEMS CONVERTING LESS EFFICIENT SPRINKLER SYSTEMS TO GREATER EFFICIENCIES OR REPLACING WITH SUBSURFACE DRIP SYSTEMS CONVERTING LESS EFFICIENT SPRINKLER SYSTEMS TO GREATER EFFICIENCIES OR REPLACING WITH SUBSURFACE DRIP SYSTEMS

4 GENERALLY SPEAKING, WHAT TYPES OF INEFFICIENT SYSTEMS ARE WE REPLACING? Furrow Systems Furrow Systems Hand Move Systems Hand Move Systems Side Roll Systems Side Roll Systems Conventional Impact Systems Conventional Impact Systems Conventional Spray Systems Conventional Spray Systems

5 FURROW IRRIGATION

6 FURROW IRRIGATION USING SIPHON TUBES

7 FURROW IRRIGATION USING GATED PIPE AND SURGE VALVE

8 Furrow Irrigation Using Collapsible Gated Pipe

9 Hand Move Sprinkler System

10 CONVENTIONAL SIDE ROLL IMPACT SPRINKLER Side Roll Sprinkler System

11 CONVENTIONAL IMPACT

12 CONVENTIONAL SPRAY

13 WHAT TYPES OF SYSTEMS ARE WE PROMOTING TO REPLACE THE OLDER LESS EFFICIENT SYSTEMS? LEPA - Low Energy Precision Application LEPA - Low Energy Precision Application LESA - Low-Elevation Spray Application LESA - Low-Elevation Spray Application LPIC - Low Pressure In-Canopy LPIC - Low Pressure In-Canopy MESA - Mid-Elevation Spray Application MESA - Mid-Elevation Spray Application Subsurface Drip Irrigation Systems Subsurface Drip Irrigation Systems

14 LEPA & LESA IRRIGATION SYSTEMS

15 LEPA SYSTEM

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18 LESA SYSTEM

19 LPIC & MESA IRRIGATION SYSTEMS

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21 LPIC SYSTEM

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23 MESA MESA SYSTEM

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25 USDA-NRCS Sprinkler Certification Requirements USDA-NRCS Sprinkler Certification Requirements CPED PROGRAM CPED PROGRAM USDA-ARS developed the computer program USDA-ARS developed the computer program CPED needs a pivot design printout from the manufacturer for input data CPED needs a pivot design printout from the manufacturer for input data CPED is used to certify the Coefficient of Uniformity (CU) of the pivot CPED is used to certify the Coefficient of Uniformity (CU) of the pivot

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28 OTHER SYSTEM IMPROVEMENTS INSTALLING PRESSURE REGULATORS INSTALLING PRESSURE REGULATORS INSTALLING FLOW METERS INSTALLING FLOW METERS INSTALLING CHEMIGATION VALVES INSTALLING CHEMIGATION VALVES WELL DECOMMISSIONING WELL DECOMMISSIONING

29 PRESSURE REGULATORS

30 PRESSURE

31 FLOWMETER

32 CHEMIGATION VALVE

33 WELL DECOMMISSIONING

34 DRIP IRRIGATION SYSTEMS

35 Drip Tapes

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37 DRIP LINES PLOWED IN

38 FILTER SYSTEM

39 DEVELOPING IRRIGATION WATER MANAGEMENT PLANS

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41 IRRIGATION SCHEDULING USING EVAPOTRANSPIRATION ( ET )

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43 ET GAGE

44 EVAPOTRANSPIRATION USING THE OKLAHOMA MESONET

45 MESONET SITE

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