Why do producers continue to add more drainage (increase intensity)?
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Transcript of Why do producers continue to add more drainage (increase intensity)?
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Why do producers continue to add more drainage (increase intensity)?
Goals:Uniform field conditions for timely planting and harvesting
Higher crop yields
Risk reduction
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Modern Drainage Technology
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WE HAVE THE TECHNOLOGY TO DRAIN EFFECTIVELY
Do we have the technology we need to do effective drainage
water management?
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Is this technology sufficient?
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What is the goal Production AND Environmental Benefits –
this impacts the scale (field vs landscape) Drain only as much as needed Get rid of the water OR keep it Storage and re-use Water treatment / filtration Flood attenuation Watershed planning Managing surface drainage water
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Some potentially useful emerging technologies
Lidar – water management design applications
RTK-GPS – controlled traffic Bioreactors Saturated buffers Treatment wetlands Two-stage ditches Subirrigation Crop genetics – improved stress tolerance
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Needed technologies Telemetry for control Subsurface drainage system design
software that optimizes water management zones
Control ‘valves’ for surface inlets Simple accurate flow measurement –
critical for nutrient trading verification
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No silver bullet Suites of practices are critical
Controlled traffic No till Cover crops 4 R