Estimated Crop Water use (inch/day)
Corn: Emerge Date 5/15, Prior Week 0.22, Prior 3 Days 0.23,
On 8/25 0.20, Next 3 Days 0.20, Next Week 0.19
Corn: Emerge Date 5/25, Prior Week 0.22, Prior 3 Days 0.23,
On 8/25 0.20, Next 3 Days 0.20, Next Week 0.20
Soybean: Emerge Date 6/01, Prior Week 0.22, Prior 3 Days 0.22, On 8/25 0.19, Next 3 Days 0.19, Next Week 0.18
Soybean: Emerge Date 6/15, Prior Week 0.22, Prior 3 Days 0.23,
On 8/25 0.20, Next 3 Days 0.20, Next Week 0.20
Alfalfa: Emerge Date 4/15, Prior Week 0.20, Prior 3 Days 0.21,
On 8/25 0.18, Next 3 Days 0.18, Next Week 0.18
Grass: Emerge Date 4/15, Prior Week 0.07, Prior 3 Days 0.07,
On 8/25 0.06, Next 3 Days 0.06, Next Week 0.05
Total actual growing degree days from May 19 through August 25 is 2201.
Producers should note that immediately after cutting, water use for alfalfa will be 50% of the figure given; after ten days, water use will be 75%; and at 20 days after cutting, water use is the figure given.
These crop figures are provided by University of Nebraska-Lincoln Extension in Cuming County. They are based on West Point weather factors and are good for 50-mile radius. Check the Cuming County web site (http://www.cuming.unl.edu/) daily for the current report under Growing Degree Days & Crop Water Use, cropwatch.unl.edu/weather/gdd-et.html
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SOURCE: Larry Howard, Extension Educator
