Richard Koelsch
emeriti
- Emeritus Professor Biological Systems Engineering University of Nebraska–Lincoln
Work
402-472-1413
On campus, dial 2-1413
Palmer Amaranth Seeds in Manure - What Can You Do?
October 29, 2020
There are several ways seeds of Palmer amaranth can be introduced into your fields. Manure is one of them. This article provides some valuable answers on reducing Palmer amaranth seed in feed, reducing Palmer amaranth seed in manure and field application of contaminated manure.
What Are the Barriers and Benefits of Manure Use in Cropping Systems? (part 1 of 2)
August 17, 2020
Understanding the ag community's perceptions of manure's benefits and barriers is important to recycling manure nutrients efficiently. A recent survey is helping us understand the next steps to encouraging manure's use as a valuable asset.
Emergency Use of Milk as a Fertilizer Q&A
April 23, 2020
Difficult challenges in the dairy industry such as those resulting from COVID-19 result in times when a market is not available for milk. When those occur, using milk as a crop fertilizer may provide a short-term option for gaining some value from milk.
Precision Manure Application on Display at Manure Expo
September 27, 2019
Extension Engineer Rick Koelsch shares highlights from the 2019 Manure Expo. Precision technology paired with well-designed application equipment was key to achieving uniformity in manure fertilizer applications.
3 Resources on How Animal Manure Can Benefit Your Soils
June 4, 2019
Animal manure can be a valuable soil nutrient. Three stories at Water.unl.edu explore how manure improves soil fertility and productivity, how poultry manure can be managed in crop production, and how composted beef manure can be added to sugar beet production.
Disposing of Flood-Soaked Grains and Forages
March 28, 2019
Regulatory considerations and recommended actions for managing flood-soaked grains and forages no longer usable for food or feed.
Poultry Manure Reduces Nitrate Loss to Water in Iowa Study
March 6, 2019
Iowa State University researchers concluded from a long-term field study that poultry manure, when applied at a rate to meet crop nitrogen (N) requirements, can reduce nitrate loss and achieve equal or better yields in corn-soybean production systems.
Estimating Nitrogen Credit from Manure
September 5, 2018
Nitrogen in manure requires some simple planning to insure it's given proper credit for offsetting commercial fertilizer inputs. This Water.unl.edu article offers key information for calculating N credit.