Irrigation

Types of water losses from center pivot irrigation
Types of water losses from center pivot irrigation

In-Canopy vs. Above-Canopy Sprinklers: Which is Better Suited to Your Field? March 23, 2018

This is the first of a three-part series on how to decide whether you want to use in-canopy sprinklers or sprinklers at truss rod height or above on a center pivot. Part 1 addresses water losses from a center pivot and when to replace an existing sprinkler package.

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Center pivot irrigation
The Center Pivot Irrigation Handbook,published by Nebraska Extension, offers detailed information to growers improve the energy and water application efficiencies of their irrigation systems.

Center Pivot Handbook a Comprehensive Guide for Growers March 23, 2018

Center pivot irrigation now accounts for approximately 85% of the irrigated land in Nebraska. To help growers manage and get the most from their system, Nebraska Extension has published the Center Pivot Irrigation Handbook, a 134-page comprehensive guide.

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Center pivot irrigating corn
Figure 1. Adapting irrigation management strategies to maxmize effciency for crop growth can help farms through periods of extreme weather variability, such as dry periods or droughts. (Photo by Chuck Burr)

Weather Ready Farms: Irrigation Water Management March 21, 2018

Climate variability, including extended periods of dry conditions and sometimes drought, are common on the Great Plains. When managing under these extreme conditions, irrigators need to understand daily and seasonal crop water use patterns and adopt practices and technology that result in more bushels of grain per inch of water applied.

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Distribution of the 1-square-kilometer cells where irrigated land in 2012 exceeded 50 percent of the cell area (blue-green dots) in Nebraska. Pink corresponds to declining annual, while yellow corresponds to declining irrigation-season (May-July) precipitation rates over the 1979-2015 period. The brownish color marks their spatial overlap.

Research Shows Large-Scale Irrigation Reduces Local Precipitation February 28, 2018

A University of Nebraska-Lincoln researcher has shown that widespread irrigation has resulted in a net moisture loss in Nebraska, a finding that could have worldwide water conservation implications if substantiated by further research.

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Crop Water App

Using the Crop Water App with Watermark Sensors February 8, 2018

The Crop Water App developed by Nebraska Extension is an excellent tool for producers using Watermark soil moisture sensors to aid irrigation scheduling. Here is a brief overview of how to use this app in your operation.

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Drop sprinklers on a center-pivot irrigation system in corn
Drop sprinklers on a center-pivot irrigation system in corn

Central Plains Irrigation Conference Feb. 20-21 January 29, 2018

Improved irrigation efficiency, management and regulations, and new technologies will all be addressed at the Central Plains Irrigation Conference Feb. 20-21 in Kansas. Celebrating its 30th year, the conference offers technical and practical information to help farmers manage water resources.

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Crop irrigation
Advances in irrigation will be the focus of a spring seminar series hosted by the university's School of Natural Resources on East Campus.

Spring Lecture Series to Focus on Advances in Irrigation January 12, 2018

Advances in irrigation management will be the focus of a new lecture series being offered this spring at the University of Nebraska-Lincoln. Industry and university speakers will examine new technologies and options for improving irrigation application and management.

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Center pivot irrigating corn

Chemigation Training Schedule for 2018 January 11, 2018

A number of Nebraska Extension Chemigation Training sessions have been scheduled for growers needing to get their chemigation certification in 2018. Online study and in-person testing is available only for those needing to recertify.

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