Talkin' Crap
This podcast is produced and hosted by Iowa State University Extension and Outreach manure management specialist Dr. Dan Andersen. This podcast will feature information and interviews with individuals with expertise related to the science technology and best management practices surrounding manure management. Please subscribe to the Talkin' Crap podcast and stay tuned for new episodes. Follow us on Twitter @DrManure or check out our website at www.extension.iastate.edu/immag.
Episodes
In this episode, Dan explores the yield goal method, MRTN, and N-FACT, and how recommendations influence manure application across Iowa. He also looks at recent spatial mapping and its impact on manure management practices.
In this episode, Dan Andersen discusses the science and management of manure crusts. He explores the benefits and challenges of crusts, which can reduce odor, ammonia emissions, and methane production, but can also cause pumping difficulties and attract flies and rodents.
In this episode, Dan Andersen and Laura Pepple, director of supply chain and logistics at Puck Enterprises Inc., explore how modern dragline manure systems efficiently transport manure. They discuss key design factors like application rate, equipment, and field distance, while emphasizing proper planning.
In this episode, Dan Andersen is joined by Mitch Baum to discuss the late-spring nitrate test and its role in nitrogen management.
Use of the Late-Spring Soil Nitrate Test in Iowa Corn Production
Dan Andersen discusses the management of biogas, particularly methane from manure, and its impacts on greenhouse gas emissions.
Dan Andersen is joined by Cain Bynum to discuss the spatial analysis of manure management in Iowa using GIS to align manure nutrients with crop demand.
This month on Talkin' Crap, Dan Andersen sits down with Christina Murphy, General Manager of West Des Moines Water Works, to discuss how urban drinking water is treated, monitored, and delivered safely to the public.
They also explore the shared challenges faced by both agriculture and water utilities, from nutrient management to water quality pressures, and discuss collaborative steps to improve water quality.
In this episode, Dan Andersen discusses the challenges and uncertainties in manure management related to the variability in manure nitrogen content.
In this episode, Dan Andersen sits down with Dr. Agustin Olivo from the University of Guelph to explore nutrient efficiency in dairy farming. Dr. Olivo highlights adaptive nitrogen management practices from New York. Tune in for practical insights on precision nutrient management and reducing greenhouse gas emissions in dairy systems.
In this episode, Dan Andersen and Luke Soko discuss the carbon intensity of Iowa's livestock feed supply chain. The discussion emphasizes the potential for reducing emissions through efficient farming practices and the future market opportunities for low-carbon feed.
In this episode, Dan Andersen is joined by Mitch Baum to explore the Iowa Nitrogen Initiative - an effort to improve nitrogen management on farms. They delve into how on-farm nitrogen rate trials are being utilized to maximize nitrogen efficiency and introduce N-FACTS, a new tool designed to help farmers optimize nitrogen use for improved yields and environmental outcomes.
Dan Andersen shares essential manure safety tips for Iowa’s fall harvest season, focusing on road safety, health and wellness, and confined space hazards. He emphasizes proper equipment lighting, rest and hydration, gas detection, and PPE to prevent accidents and ensure worker safety.
Show resources:
Upper Midwest Agricultural Safety and Health Center (UMASH)
Manure foam – what is it, why does it happen, and why should you care? In this episode, Dan Andersen breaks down the bubbling mystery of manure foam, the science, the risks, and the research. He also explores best practices to stay safe and informed based on years of research and forming instances across the Midwest, explores what is happening under your slotted floor, and what you can do about it.
In this episode, Dan Andersen discusses nitrogen availability in livestock manure. He dives into PMR 1003, Using Manure Nutrients for Crop Production, which estimates nitrogen availability and the need for updated research to reflect changing manure handling methods and storage practices.
In this episode, Dan Andersen dives into ManureDB, a tool from the University of Minnesota, which analyzes manure samples from across the United States. Dan discusses the nutrient composition of various manures, the impact of storage type and climate on nutrient concentrations, and the importance of manure sampling.
Visit ManureDB at: http://manuredb.umn.edu/
In this month’s episode, Dan Andersen and Luke Soko discuss the yield goal method for manure management in Iowa, which estimates nitrogen needs based on expected corn yield. They also look at the Iowa Nitrogen Initiative, which is generating yield response curves to improve nitrogen management. The discussion highlights the need for updated nitrogen use factors and the impact of weather conditions on nitrogen availability and...
Dan Andersen and Tony Mensing dive deep into the Iowa commercial manure application industry, uncovering fascinating insights from a 2024 survey. They explore the key concerns facing the industry, including the high costs of equipment, labor challenges, and application capacity issues, and highlight the role of seasonal employees in ensuring smooth operations.
In this edition of Talkin’ Crap, Dan Andersen and Jake Willsea discuss how the frequency and timing of manure application can significantly impact methane emissions, with Jake's research showing that adjusting application timing can reduce emissions by up to 50%. They also explore the potential financial benefits of carbon credits.
Methane Emissions Show Notes
This material is based upon work supported by the Unit...
In this episode of Talkin' Crap, Dan Andersen and Luke Soko discuss the challenges and best practices for winter solid manure application. They highlight the risks associated with winter manure application, such as nutrient movement due to frozen or snow-covered ground, and the importance of following state regulations. Find show notes here.
Dan Andersen and Luke Soko discuss the potential of anaerobic digestion for manure management, focusing on whether to heat or not to heat digesters. Heating digesters can increase methane production but require insulation to mitigate heat loss. Find show notes here.
This material is based upon work supported by the United States Department of Agriculture Natural Resources Conservation Service under a federal award number NR2...
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