Proceedings of the 2008 Central Plains Irrigation Conference

Greeley Colorado, February 19-20

MANURE SAMPLING AND SPREADER CALIBRATION: TESTING OUR RECOMMENDATIONS Jessica G. Davis, Kirk V. Iversen, Merle F. Vigil, and Ron B. Meyer	1
SALT THRESHOLDS FOR LIQUID MANURE APPLICATIONS THROUGH A CENTER PIVOT Bill Kranz, Charles Shapiro, and Charles Wortmann	7
USING AN INTEGRATED APPROACH TO UTILIZING CENTER PIVOTS FOR LIVESTOCK WASTE MANAGEMENT Jake LaRue	15
STRATEGIES FOR REDUCING CONSUMPTIVE USE OF ALFALFA Neil Hansen	21
OILSEED PRODUCTIVITY UNDER VARYING WATER AVAILABILITY David Nielsen	30
RESPONSE OF CORN TO DEFICIT IRRIGATION AND CROP ROTATIONS Norm Klocke, Jose Payero, and Joel Schneekloth	34
LIMITED IRRIGATION RESEARCH AND DEMONSTRATION IN COLORADO Joel Schneekloth,Troy Bauder, and Neil Hansen
LIMITED IRRIGATION CROPPING SYSTEMS FOR CONSERVING WATER RESOURCES IN THE PUMPKIN CREEK WATERSHED Gary W. Hergert, Gary Stone, Dean Yonts and Jim Schild	46
SDI CONVERSION--IMPORTANT CONSIDERATIONS Bill Caroll	53
CONSIDERATIONS WHEN CONVERTING FROM SURFACE TO MECHANICAL MOVE IRRIGATION Jake LaRue	56
USING THE K-STATE CENTER PIVOT SPRINKLER AND SDI ECONOMIC COMPARISON SPREADSHEET - 2008 Freddie Lamm, Dan O'Brien, Danny Rogers and Troy Dumler	61
WATER SAVINGS FROM CROP RESIDUE MANAGEMENT Norm Klocke, Randall Currie, Troy Dumler	71
CROP RESIDUE AND SOIL WATER David Nielsen	80
EFFECT OF TILLAGE PRACTICES AND DEFICIT IRRIGATION ON CORN Freddie Lamm, Rob Aiken and Abdrabbo A. Abou Kheira	84
SALINITY IN THE SOUTH PLATTE BASIN Alan Halley	101
ACHIEVING A SUSTAINABLE IRRIGATED AGROECOSYSTEM IN THE ARKANSAS RIVER BASIN: A HISTORICAL PERSPECTIVE AND OVERVIEW OF SALINITY, SALINITY CONTROL PRINCIPLES, PRACTICES, AND STRATEGIES P. Lorenz Sutherland	102
APPENDIX I. SALT TOLERANCE OF SELECTED CROPS P. Lorenz Sutherland	136
NORTHERN WATER EFFORTS TO IMPROVE IRRIGATION SCHEDULING PRACTICES Mark Crookston	139
NEW DEVELOPMENTS IN IRRIGATION SCHEDULING Tom Trout	143
COLORADO CROP WATER ALLOCATION TOOL Luke Brummel and James Pritchett	153