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Irrigation at K-State Research and Extension

Proceedings of the 2012 Central Plains Irrigation Conference

cpiaFebruary, 21-22, 2012, Colby Kansas

KANSAS IRRIGATION TRENDS
Danny Rogers and Freddie Lamm		1
TILLAGE PRACTICES IN KANSAS: 2010 SURVEY RESULTS
DeAnn Presley		16
TILLAGE AND CROP RESIDUE REMOVAL EFFECTS ON EVAPORATION, IRRIGATION REQUIREMENTS, AND YIELD
Simon van Donk and Norman Klocke		22
OPTIMIZING CROPPING SYSTEMS UNDER LIMITED IRRIGATION CONDITIONS
Alan Schlegel, Loyd Stone, Troy Dumler, and Freddie Lamm		31
ASSESSMENT OF PLANT AVAILABLE SOIL WATER ON PRODUCER FIELDS IN WESTERN KANSAS
Freddie Lamm, Danny Rogers, Alan Schlegel, Norman Klocke, Loyd Stone, Rob Aiken, and L. Kent Shaw		37
A RETURN LOOK AT DORMANT SEASON IRRIGATION STRATEGIES
Alan Schlegel, Loyd Stone, Troy Dumler, and Freddie Lamm		51
NEBRASKA AGRICULTURAL WATER MANAGEMENT NETWORK (NAWMN) UPDATE
Gary Zoubek, Suat Irmak, Jenny Rees, and Brandy VanDeWalle		59
IRRIGATION CAPACITY IMPACT ON LIMITED IRRIGATION MANAGEMENT AND CROPPING SYSTEMS
Joel Schneekloth, David Nielsen, and Alan Schlegel		68
WATER PRODUCTION FUNCTIONS FOR CENTRAL PLAINS CROPS
Tom Trout and Walter Bausch		79
ERRATICITY OF SPRINKLER IRRIGATED CORN IN 2011
Freddie Lamm, Terry Howell, and Jim Bordovsky		88
CENTER PIVOT SPRINKLER NOZZLE REPLACEMENT AND MAINTENANCE
Bill Kranz, Ray Glaser, Gene Ross, and Danny Rogers		102
CONSIDERATIONS FOR VARIABLE RATE IRRIGATION
Jake Larue and Bob Evans		111
INVESTIGATING STRATEGIES TO IMPROVE CROP GERMINATION WHEN USING SDI
Jim Bordovsky, Andy Cranmer, Paul Colaizzi, Freddie Lamm, Steve Evett, and Terry Howell		117
SDI, THE BASICS OF SUCCESSFUL SYSTEMS
Freddie Lamm and Danny Rogers		133
HYDRAULIC CONSIDERATIONS FOR SDI SYSTEMS Slight corrections made 3-02-12
Freddie Lamm and Danny Rogers		150
USING THE K-STATE CENTER PIVOT SPRINKLER AND SDI ECONOMIC COMPARISON SPREADSHEET - 2012 Slight corrections made 3-02-12
Freddie Lamm, Dan O'Brien, Danny Rogers and Troy Dumler		159
INTEGRATING MULTIPLE IRRIGATION TECHNOLOGIES FOR OVERALL IMPROVEMENT IN IRRIGATION MANAGEMENT Slight corrections made 2-23-12
Terry Howell, Susan O'Shaughnessy and Steve Evett		170
USING SOIL WATER SENSORS TO IMPROVE IRRIGATION MANAGEMENT Slight corrections made 2-21-12
José L. Chávez and Steve Evett		187
USING PLANT CANOPY TEMPERATURE TO IMPROVE IRRIGATED CROP MANAGEMENT
Paul Colaizzi, Susan O'Shaughnessy, Steve Evett, and Terry Howell		203
CROP SELECTIONS AND WATER ALLOCATIONS FOR LIMITED IRRIGATION
Norm Klocke, Troy Dumler, Loyd Stone and Steven Briggeman		224
INTRODUCING THE WEB-BASED VERSION OF KANSCHED: AN ET-BASED IRRIGATION SCHEDULING TOOL
Danny Rogers		230
PROPOSED PROCEDURES FOR LIMITED IRRIGATION FOR CROP INSURANCE
Jay Waechter		237