PROCEEDINGS OF THE
2008
CENTRAL PLAINS IRRIGATION CONFERENCE
TABLE OF CONTENTS
Note: You may need to have the latest version of Adobe
Acrobat Reader to view some of the files correctly.
The free reader software is available from
Adobe.
MANURE SAMPLING AND SPREADER CALIBRATION: TESTING OUR RECOMMENDATIONS 1
Jessica G. Davis, Kirk V. Iversen,
Merle F. Vigil, and Ron B. Meyer
SALT
THRESHOLDS FOR LIQUID MANURE APPLICATIONS THROUGH A
CENTER PIVOT................... 7
Bill Kranz, Charles
Shapiro, and Charles Wortmann
USING AN
INTEGRATED APPROACH TO UTILIZING CENTER PIVOTS FOR LIVESTOCK WASTE MANAGEMENT............ 15
Jake LaRue
STRATEGIES FOR REDUCING CONSUMPTIVE
USE OF ALFALFA...................... 21
Neil Hansen
OILSEED PRODUCTIVITY UNDER VARYING
WATER AVAILABILITY.................. 30
David Nielsen
RESPONSE OF
CORN TO DEFICIT IRRIGATION AND CROP ROTATIONS......... 34
Norm Klocke, Jose Payero,
and Joel Schneekloth
LIMITED
IRRIGATION RESEARCH AND DEMONSTRATION IN COLORADO...... 40
Joel Schneekloth,Troy Bauder, and Neil Hansen
LIMITED
IRRIGATION CROPPING SYSTEMS FOR CONSERVING WATER RESOURCES IN THE PUMPKIN CREEK WATERSHED. 46
Gary W. Hergert,
Gary Stone, Dean Yonts and Jim Schild
SDI
CONVERSION--IMPORTANT CONSIDERATIONS............................................. 53
Bill Caroll
CONSIDERATIONS
WHEN CONVERTING FROM SURFACE TO
MECHANICAL MOVE IRRIGATION......................... 56
Jake LaRue
USING THE
K-STATE CENTER PIVOT SPRINKLER AND SDI ECONOMIC COMPARISON SPREADSHEET - 2008.............. 61
Freddie Lamm, Dan O’Brien, Danny Rogers and
Troy Dumler
WATER
SAVINGS FROM CROP RESIDUE MANAGEMENT.................................... 71
Norm Klocke, Randall Currie, Troy Dumler
CROP RESIDUE AND SOIL WATER............................................................................ 80
David Nielsen
EFFECT OF
TILLAGE PRACTICES AND DEFICIT IRRIGATION ON CORN.......... 84
Freddie Lamm, Rob Aiken and Abdrabbo A. Abou Kheira
SALINITY
IN THE SOUTH PLATTE BASIN............................................................... 101
Alan Halley
ACHIEVING
A SUSTAINABLE IRRIGATED AGROECOSYSTEM IN THE
ARKANSAS RIVER BASIN: A HISTORICAL PERSPECTIVE
AND
OVERVIEW OF SALINITY, SALINITY CONTROL PRINCIPLES, PRACTICES,
AND STRATEGIES................................................ 102
P. Lorenz Sutherland
APPENDIX I. SALT TOLERANCE OF SELECTED CROPS.................................... 136
P. Lorenz Sutherland
NORTHERN WATER EFFORTS TO IMPROVE
IRRIGATION SCHEDULING PRACTICES................ 139
Mark Crookston
NEW
DEVELOPMENTS IN IRRIGATION SCHEDULING......................................... 143
Tom Trout
COLORADO CROP WATER ALLOCATION TOOL.................................................. 153
Luke Brummel and
James Pritchett