Rick Koelsch - Professor of Biological Systems Engineering

Rick Koelsch - Professor of Biological Systems Engineering

Manure Impact on Soil Aggregation

The organic matter in manure improves soil quality including formation of stable soil aggregates.
Manure increases formation of larger and more stable soil aggregates. Several benefits result for fields fertilized by manure compared to commercial fertilizer including reduced runoff and soil erosion and increased water infiltration leading to greater drought tolerance.

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Siting Animal Facilities to Reduce Neighbor Nuisance

farm in Iowa
Wind direction and speed affect dust and odor risk. A first step in assessing and minimizing potential dust and odor nuisance risk of a livestock operation is identifying the most likely downwind directions. This article will share wind frequency data for 44 Nebraska locations to consider siting options for reducing these nuisances.

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Is Manure a Fertility Option for Wheat?

spreading liquid manure in wheat with a toolbar
With ground opening up for manure application following wheat harvest, this is a good time to ask about the fit for manure with wheat? There are some good opportunities to use manure following wheat harvest.

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Finding Win/Win Opportunities for Manure

manure pile
This article is Part 2 of a two-part discussion on the value of manure. Part 1 focused on manure nutrient substitution for commercial fertilizer and appeared in the February 27, 2017 CropWatch.

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Finding Win/Win Opportunities for Manure

Estimate comparison pie chart

This article is Part 1 of a two-part discussion on the value of manure. Part 2 focuses on soil quality benefits provided by manure and appeared in the March 6, 2017 CropWatch.

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