Irrigation Scheduling: Checkbook Method

FO-01322 Reviewed 2010

Irrigation Scheduling Checkbook Method

Introduction
Checkbook Scheduling
Starting the Checkbook Method
Irrigation Amount
Irrigation Management Strategy
Allowable Soil Water Deficit
Soil Water Deficit
Soil Water Measurements
Crop Water Use
Available Water in Root Zone
Pumping Capacity
Reference Sources
*Soil Water Sheets Example
*Soil Water Sheets Blank
*Tables 2-9

* requires the acrobat reader

ACKNOWLEDGEMENTS

The author wishes to thank former University of Minnesota colleagues Hal Werner, Extension Engineer at South Dakota State University, and Fred Bergsrud, retired Extension Engineer, for their previous development efforts in earlier issues of this bulletin. Also, thank you to the original developers of this scheduling tool, Darnell Lundstrom and Earl Stegman, Agricultural Engineering Department, North Dakota State University.

AUTHOR

Jerry Wright, Extension Engineer University of Minnesota Extension Service, Department of Biosystems and Agricultural Engineering, College of Agricultural, Food and Environmental Sciences University of Minnesota at the West Central Research & Outreach Center, Morris, Minnesota jwright@umn.edu, or call 320-589-1711

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