Soil & Water Management

When the Reclamation Act passed by Congress in 1902 and the United States Reclamation Service was created, studies were conducted to determine where water projects could be constructed. Initially, the Sweetwater River (Sweetwater Project) was considered to construct a dam at “Devils Gate” to provide irrigation water. However, insufficient flows in the river did not justify the construction of a dam. The Reclamation Service then determined that a dam would be constructed on the North Platte River in the Fremont Canyon approximately 47 miles southwest of Casper, Wyoming.

The Platte River, then the North Platte River, and then the Sweetwater River were the series of water courses across Nebraska into Wyoming east of the continental divide for a pathway across the country that “followed the water.” This was the most traveled route across the continent for early trappers — the California, Mormon, Oregon, Overland and Pony Express trails. Over 400,000 people followed these trails to California, Oregon and Washington, bypassing the “Great American Desert”, not knowing that in the future — with irrigation water development — this area would be the breadbasket for the country.

As planting is critical for everything else that happens during the growing season, the dry conditions have led to a variety of questions this planting season regarding soil conditions, planting depth, irrigation and herbicides.

Image shared from unwater.org Annually on this day, we bring special attention to the importance of groundwater & freshwater around the world. This year's theme focuses on "Groundwater: Making the invisible visible" to bring attention to this hidden water resource, that all too often goes unrecognized when sustainable policies are developed.

A research paper by University of Nebraska–Lincoln scientists points to an innovative irrigation approach that offers promise to decrease water use while increasing producer profitability.

When talking about manure's value, one needs to think about a variety of factors. Most folks think of fertilizer nutrients as manure’s primary value or MVP, but it takes more than one or two star players to make a great team. As such, manure wouldn't be as great as it is without other characteristics like the added organic matter that you get when applying manure, or the microbial community that is added to your field with that application.

The Testing Ag Performance Solutions (TAPS) program is excited to offer a new six-part series focused on water, nitrogen and “Effective Conservation Technologies and Management Practices for Corn Production,” as the practicum is titled.

With the recent increase in fertilizer prices, it is more important than ever to use the right amount of fertilizer to maximize the economic returns. Applying too little or too much fertilizer can result in substantial economic loss.

Soil quality has been traditionally described in terms of chemical and physical properties; however, soil organisms play an important role in soil health. Some studies suggest that using manure as soil amendment could result in increased microbial biomass, which results in higher soil bacteria, fungi and higher microbial activity. Soil microbial activity is crucial for nutrient cycling, aggregate stability, fertility, and other soil characteristics leading to better crop productivity.

This FREE event on 4Rs of Nutrient Stewardship features knowledge and tools to improve nutrient management, soil health, crop yields and water quality. This is a great opportunity to learn about 4Rs strategies to improve crop yield and profits while protecting the environment. Earn 4.5 CEUs on Nutrient Management. Link to full article and registration information

Groundwater is often the main source of drinking water for rural communities, especially in the Midwestern United States, so it is important to keep that water at levels that are safe to drink while minimizing environmental impacts. Although animal manure has many benefits to farmers, it can contaminate groundwater supply if not managed properly. This article discusses important considerations when storing and applying manure and includes requirements for testing of well water.

Dietary nutrients, specifically nitrogen and phosphorus, are excreted in manure from feedlot cattle. Dietary strategies, including calculated protein supplementation and phase-feeding programs, can be implemented by cattle feeders to decrease nutrient excretion and improve nutritional efficiency of the animal.

This year’s Land Application Recertification sessions, called Applying Manure Management Concepts On-Farm, are scheduled to be in-person at many locations across the state in June, with one taking place in May in Lexington. Manure trainings earlier this year were held virtually, but we’re making progress, and that means we’re looking forward to seeing everyone in-person for the next manure event.

Vegetative Treatment Areas (VTA) are used in multiple Nebraska cattle operations to help improve and maintain water and nutrient quality. This article will explain what a VTA is and how it works. It will then detail how valuable nutrients contained in the manure will be captured and reused. It will also describe what size of feeding operations should install a VTA. Lastly, it will detail how a producer can get assistance to install one.

One benefit of increasing soil organic matter is to store more water in your soil. Why does this happen? Because soil organic matter creates pores in a range of sizes. Exactly how much more water is stored due to soil organic matter will depend on soil texture, though. Animal manures are one option for increasing soil organic matter and soil health.

Managing manure for economic and environmental benefit is based, in part, upon our ability to efficiently recycle manure nitrogen (N) between animals and crops. This article introduces University of Nebraska-Lincoln (UNL) proposed changes in recommendations for crediting manure nitrogen in a crop’s fertility program.

Have you ever wondered why groundwater nitrate maps show so much variation across Nebraska? Or why wells near to your own tested well have such different nitrate levels? The answer has three parts. Nitrate in groundwater varies from place to place because of differences in:

Spring manure applications may provide environmental and crop production advantages compared to fall manure applications. These benefits include reduced nitrogen leaching, increased crop yields, and higher phosphorus and potassium nutrient soil storage.

Cedar trees are spreading into grasslands and reducing forages that support cattle grazing. The Nebraska Forest Service is promoting management practices to keep the trees from spreading outside of their usual habitat and into grasslands and areas along the banks of rivers and streams (called ‘riparian forests’). So what do cedar trees have to do with manure? Since 2015, two resourceful farmers have generously given up a few acres of their fields for UNL researchers to test various applications of mulch alone or co-mingled with cattle or swine manure.