Groundwater

Niobrara River

Major Nebraska Rivers and Their Drainages: Part 1

April 19, 2023
This new series by Nebraska Extension Educator Gary Stone highlights the main rivers in Nebraska and their impacts across the Midwest and Northern Plains.

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Alfalfa and corn fields
As it aggressively scavenges nitrogen in the soil, alfalfa can greatly reduce nitrate contamination of groundwater with no negative implications for future crops if planted in rotations.

Alfalfa in Rotation with Annual Crops Reduces Nitrate Leaching Potential and Increases Soil Organic Carbon Sequestration

March 30, 2023
This UNL research study provides insights on the rotation of annual crops with alfalfa as a highly effective means of reducing nitrate-nitrogen contamination in groundwater.

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Center pivot in field
Sponsored by Nebraska Extension, Ag Update 2023 begins at 9 a.m. in Central City, with a full day of crop production research and findings to inform the 2023 growing season.

Water for Ag and Human Health Focus of 2023 Ag Update

February 3, 2023
This free program will update Nebraska producers on corn production for 2023, USDA initiatives, climate and drought outlooks, with an emphasis in the afternoon session on water issues and irrigation management.

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Sierra Madre Mountain Range Snowpack
The Sierra Madre Mountain Range Snowpack in 2016. (Photo by Gary Stone)

The North Platte River — Multi-use Water, Part 4

August 3, 2022
In this installment of the series, Nebraska Extension Educator Gary Stone reviews the history of the Kortes Unit, which was part of a program that managed water use for the entire Missouri River Basin.

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Seminoe dam
Figure 1. Seminoe dam and reservoir were built in the 1930s, specifically to provide hydropower generation.

The North Platte River — Multi-use Water, Part 3

July 19, 2022
In this installment of the series, Nebraska Extension Educator Gary Stone reviews the history of the Kendrick Project, which resulted in the Seminoe and Alcova dams.

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Grasshopper
With conditions remaining dry this summer, if the grasshopper population in an established field is higher than five hoppers per square yard throughout the field or 15 hoppers per square yard in field margins, insecticides should be considered.

Pasture and Forage Minute: Grasshopper Control, Safe Grazing Guidelines And Blue-green Algae Poisoning

July 13, 2022
Tips for effective control of grasshoppers in alfalfa, prussic acid poisoning from summer annual forages and blue-green algae in livestock water.

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Pathfinder Dam spillway
Figure 1. The Pathfinder Dam spillway overflow when there was an excess of water.

The North Platte River — Multi-use Water, Part 2

July 7, 2022
The second article in Nebraska Extension Educator Gary Stone's six-part series on the North Platte River features history on the Pathfinder, Guernsey and Whalen dams.

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Wyoming mountain snowpack

The North Platte River — Multi-use Water, Part 1

June 30, 2022
The first of a six-part series focused on the dams, reservoirs, power generation and some diversion dams located on the North Platte River.

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