2007 Central Plains Irrigation Conference Proceedings

TABLE OF CONTENTS

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COMPARISON OF SOIL WATER SENSING METHODS FOR

IRRIGATION MANAGEMENT AND RESEARCH.............................. 1

Steven R. Evett*, Terry A. Howell, and Judy A. Tolk

WATER SAVINGS FROM CROP RESIDUE MANAGEMENT            No Online Version

Norm Klocke, Randall Currie, Troy Dumler

CROP RESIDUE AND SOIL WATER............................................... 28

David Nielsen

CONVENTIONAL, STRIP AND NO TILLAGE CORN

PRODUCTION UNDER DIFFERENT IRRIGATION

CAPACITIES...................................................................................... 32

Freddie Lamm and Rob Aiken   Corrections to graphs on 4-3-07

STRATEGIES TO MAXIMIZE INCOME

WITH LIMITED WATER.................................................................... 48

Tom Trout

IRRIGATION WATER CONSERVING

STRATEGIES FOR CORN................................................................ 53

Steve Melvin and Jose Payero

CRITERIA FOR SUCCESSFUL ADOPTION

OF SDI SYSTEMS............................................................................. 62

Danny Rogers and Freddie Lamm

SALT THRESHOLDS FOR LIQUID MANURE

APPLICATIONS THROUGH A CENTER PIVOT............................ 72

Bill Kranz, Charles Shapiro, and Bill Wortmann

LAND APPLICATION OF ANIMAL WASTE

ON IRRIGATED FIELDS................................................................... 79

Alan Schlegel, Loyd Stone, H. Dewayne Bond, and Mahbub Alam

MANAGEMENT CONSIDERATIONS FOR

CENTER PIVOTS WHEN APPLYING WASTEWATER................. 88

Jake LaRue

INFLUENCE OF NOZZLE PLACEMENT ON

CORN GRAIN YIELD,  SOIL MOISTURE AND RUNOFF

UNDER CENTER PIVOT IRRIGATION............................................ 93

Joel Schneekloth and Troy Bauder

ECONOMICS OF IRRIGATION ENDING DATE FOR CORN:

USING FIELD DEMONSTRATION RESULTS................................ 99

Mahbub Alam, Troy Dumler, Danny Rogers, and Kent Shaw

CENTER PIVOT PRECISION MOBILE DRIP IRRIGATION........ 107

Brian Olson and Danny Rogers

USING YOUR RECORDS TO LOCATE INEFFICIENT

PUMPING PLANTS......................................................................... 114

Tom Dorn

COST OF PRODUCTION AND EQUITABLE LEASING

ARRANGEMENTS FOR CENTER PIVOT IRRIGATED

CORN IN CENTRAL NEBRASKA.................................................. 118

Dan O’Brien