Agricultural Production Animal Manure Management

Water Quality Challenges

Manure Application from a German Perspective

aerial view of the Lanwermann farm
Student researcher Saskia Lanwermann reflects on what she's learned about the benefits of manure use both back home in Germany and here in the US while studying agricultural and environmental sciences communications and working with the UNL Manure team.

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Tips for Winter Manure Application

manure application on snow-covered soil, photo credit: Iowa State University
Manure application on frozen or snow-covered soil poses a higher risk of nutrient loss through runoff.

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Trading manure and crop residues, considerations for a fair trade

graphic showing 2 people shaking hands surrounded by a circle of arrows pointing to manure on one side and bales on the other.
With harvest around the corner, you might be considering trading manure for cornstalks or vice versa. In many ways, it’s easier to pay cash for either product, but there are advantages to trading. This article will focus on what kinds of things to consider to be sure any deal made is a fair trade.

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The science behind 50-degree soil and nitrogen application

graphic of thermometer
Does nitrogen becoming nitrate mean we are going to lose it? No, it takes rainfall or snowmelt in the spring that will cause a leaching event, but it does increase the risk of loss. Certainly, there is a balance between making sure we get our manure applied before the soil freezes and applying too early, but hopefully the information above illustrates a bit behind the science of the 50°F and cooling recommendation.

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Protecting Groundwater by Managing Animal Manure Products

A monitoring well
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.

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