PROCEEDINGS OF THE

2009 CENTRAL PLAINS IRRIGATION CONFERENCE

TABLE OF CONTENTS

MONSANTO TECHNOLOGY PIPELINE FOR CENTRAL PLAINS CONFERENCE 1

R. M. Lawson

THE ROLE OF WIND ENERGY IN AGRICULTURE - A COOPERATIVE’S POINT OF VIEW 3

Robert J. Johnson

THE TEXAS HIGH PLAINS EVAPOTRANSPIRATION (TXHPET) NETWORK 6

Thomas Marek and Dana Porter

CLIMATE CHANGE IMPACTS ON CROP GROWTH IN THE CENTRAL HIGH PLAINS 14

Rob Aiken

GLOBAL CLIMATIC CHANGE EFFECTS ON IRRIGATION REQUIREMENTS FOR THE CENTRAL GREAT PLAINS............................................................................................................ 25

Terry A. Howell

CORN IRRIGATION MACROMANAGEMENT AT THE SEASONAL BOUNDARIES –

INITIATING AND TERMINATING THE IRRIGATION SEASON.......................... 40

Freddie R. Lamm and Abdrabbo A. Abou Kheira

CROP SELECTIONS AND WATER ALLOCATIONS FOR LIMITED IRRIGATION 61

Norm Klocke, Loyd Stone, Troy Dumler, and Steven Briggeman

IRRIGATION SCHEDULING USING KANSCHED FOR A RANGE OF WEATHER CONDITIONS 66

Danny Rogers

WATER SAVINGS FROM CROP RESIDUE MANAGEMENT............................. 74

Norm Klocke, Randall Currie, and Troy Dumler

CORN AND GRAIN SORGHUM PRODUCTION WITH LIMITED IRRIGATION 81

Norm Klocke, Randall Currie

ARE OTHER CROPS BETTER THAN CORN UNDER LIMITED IRRIGATION? 87

Alan Schlegel, Loyd Stone, and Troy Dumler

IRRIGATION CAPACITIES IMPACT UPON LIMITED IRRIGATION MANAGEMENT AND CROPPING SYSTEMS....................................................................................................... 94

Joel Schneekloth

CENTER PIVOT SPRINKLER PACKAGE SURVEY RESULTS..................... 102

Danny Rogers, Mahbub Alam and L. Kent Shaw

CENTER PIVOT SPRINKLER APPLICATION DEPTH AND SOIL WATER HOLDING CAPACITY 112

Dana Porter and Thomas Marek

COMPARISON OF GRAIN SORGHUM, SOYBEAN, AND COTTON PRODUCTION UNDER SPRAY, LEPA, AND SDI........................................................................................................... 122

Paul Colaizzi, Steven Evett, Terry Howell, and R. Louis Baumhardt

KEYS TO SUCCESSFUL ADOPTION OF SDI: MINIMIZING PROBLEMS AND ENSURING LONGEVITY................................................................................................................. 140

Danny Rogers and Freddie Lamm

A LOOK AT TWENTY YEARS OF SDI RESEARCH IN KANSAS................... 152

Freddie Lamm

USING THE K-STATE CENTER PIVOT SPRINKLER AND SDI ECONOMIC COMPARISON SPREADSHEET - 2009............................................................................................. 177

Freddie Lamm, Dan O’Brien, Dan Rogers, and Troy Dumler

REDUCING THE COST OF PUMPING IRRIGATION WATER.......................... 188

Derrel Martin, Bill Kranz, Tom Dorn, Steve Melvin and Alan Corr

ENERGY SAVINGS USING VARIABLE FREQUENCY DRIVES ON CENTRIFUGAL PUMPING APPLICATIONS.......................................................................................................... 198

John Whaley

MONITORING IRRIGATION WATER APPLICATION WITH COMPUTERIZED CONTROLLERS 198

Bill Kranz

UPDATE ON NORTHWEST KANSAS WATER CONSERVATION EFFORTS 207

Wayne Bossert

WATER POLICIES THAT STOOD THE TEST OF TIME: A MATTER OF PERSPECTIVE 214

Paul Graves

STATE POLICY ON CONSERVING GROUND WATER IN KANSAS............. 240

Susan Stover

2009 IRRIGATION CROPLAND LEASE ARRANGEMENTS............................ 242

Dan O’Brien, Todd Ziegler, and Mark Wood