Steve Melvin - Extension Educator Irrigated Cropping Systems

(faculty)
Work
PO Box 27 1510 18th St Central City NE 68826
US

Screen capture of irrigation scheduling system

View Corn Plots and 7 Demos of Irrigation Scheduling Equipment at Aug. 31 Tour August 25, 2017

View corn variety plots and demonstrations of seven irrigation scheduling systems at the Aug. 31 Hamilton County Corn Growers Tour. The seven systems have been monitoring the same field throughout the season, providing a unique opportunity for growers to compare how each system manages similar information.

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Center pivot with bad sprinklers

Now's a Great Time to Evaluate Your Irrigation System August 18, 2017

Take advantage of final crop irrigations this summer to evaluate system performance and identify leaks or problems to fix or aspects to improve over the winter. Taking time now can pay off in improved irrigation efficiency and reduced costs next season.

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Figure 1. As you try to use stored soil water without wasting any new precipitation, the last few irrigations of the season require some of the most important water management decisions of the year. (Photo by Steve Melvin)

Predicting Late-Season Irrigation Needs August 3, 2017

Given the ups and downs in temperatures this season, crops are likely to mature over a longer period than usual this fall, making it even more important to predict your crop's water needs. The last few irrigations of the season require some of the most important water management decisions of the year.

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Irrigating corn

Tips for Irrigation Scheduling of Corn in the Late Vegetative Stage June 30, 2017

Corn can sustain moderate water stress during the late vegetative period and may even benefit from it. That's not the case for the critical period from tassel to early grain fill. Using soil water data can help guide your irrigation decisions to maximize your water and energy use to produce crop yield.

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center pivot irrigation

How Much Irrigation is Needed on Corn in the Vegetative Growth Stage? June 16, 2017

Strategies to time crop irrigation for maximum effectiveness suggest delaying irrigation until the critical reproductive growth stages will most benefit yield. This will also help reduce the potential for nitrate leaching.

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