© Irrigation Association Designing for Chemigation Equipment.

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Presentation transcript:

© Irrigation Association Designing for Chemigation Equipment

Seasonal N Uptake -%- May | June | July | August | Sept | April Nitrogen Uptake - % of TotalIncremental Additions of Nutrients 70-75% Benefits of chemigation

Problem #1 Irrigation pump shuts down Injection pump continues to run

Problem #2 Unexpected shut down of irrigation system

Problem #3 Injection line check valve failure

© Irrigation Association Chemical Injection Equipment

Chemigation Injection Installation

© Irrigation Association Understanding the Types of Components Backflow prevention Injection system Corrosion and precipitates

© Irrigation Association Commercial Chemigation Valve

© Irrigation Association Check Valve Cut-Away

© Irrigation Association Packaged Venturi System

© Irrigation Association

Understanding the Types of Components, cont. Storage Valves and fittings Sensors and controls

© Irrigation Association Spill Containment

© Irrigation Association Chemical Overflow Due to Injector Check Valve Failure

© Irrigation Association Understanding the Importance of Uniformity The impact of end guns in unregulated systems The impact of intermittent end guns and corner systems

© Irrigation Association Coordinating Application Dosage and Pivot Speed

© Irrigation Association Understanding Regulatory and Safety Requirements

System hydraulics change with intermittent end gun

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