Crop Water Use for Aug. 26-Sept. 2

September 3, 2025

Crop Water Use for Aug. 26-Sept. 2

By Gary Stone - Extension Educator, Xin Qiao - Irrigation and Water Management Specialist

crop water use graphic

ET is now under an inch at most sites as crops reach maturity and dry down, signaling irrigation season’s end for many Panhandle and northeast Colorado growers.

The estimated crop water use for Nebraska Panhandle and northeast Colorado crops for the previous week is shown in the tables below. The tables are based on data gathered and calculations made by Gary Stone, Nebraska Extension educator, and Dr. Xin Qiao, extension irrigation and water management specialist, both based at the UNL Panhandle Research and Extension Center in Scottsbluff, Nebraska.

Crop water use will vary across the Panhandle due to variations in ET, crop growth stage, temperature, soil type, wind and precipitation events. Crop water use will assist growers with irrigation scheduling and efficient water application and use.

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Table of estimated crop water use for Nebraska Panhandle crops for the week ending Sept. 2, 2025, with values by growth stage and location, showing ET below 1 inch for many late-season crops as corn nears maturity.
Figure 1. Estimated crop water use for Nebraska Panhandle crops: Aug. 26-Sept. 2, 2025.
Table of estimated crop water use for Colorado crops for the week ending Sept. 2, 2025, with values by growth stage and location, showing ET totals below 1 inch for many crops as the season winds down.
Figure 2. Estimated crop water use for northeast Colorado crops: Aug. 26-Sept. 2, 2025.

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