Environmental Stewardship
Measuring and reducing your environmental footprint
Managing odor, emissions, and air quality concerns
Maximizing manure value while protecting water quality
Meeting certification and regulatory requirements
Implementing proper disposal methods
Understanding sustainability metrics and life cycle assessments
Air Quality
The Air Management Practices Assessment Tool (AMPAT) provides an objective overview of mitigation practices best suited to address odor, emissions and dust at your livestock operation, so livestock and poultry producers may compare and narrow their options of mitigation techniques.
Odor control strategies, emissions mitigation, and air quality assessment tools.
The Air Management Practices Assessment Tool (AMPAT) provides an objective overview of mitigation practices best suited to address odor, emissions and dust at your livestock operation, so livestock and poultry producers may compare and narrow their options of mitigation techniques.
Iowa State University Extension and Outreach https://www.extension.iastate.edu/ampat/Understanding the principles behind effective livestock odor control strategies can help producers decide what to do.
Odor control strategies, emissions mitigation, and air quality assessment tools.
Understanding the principles behind effective livestock odor control strategies can help producers decide what to do.
Iowa State University Extension and Outreach https://shop.iastate.edu/extension/community-development/technology-and-the-arts/air-quality/pm1963d.htmlOdor measurement is complicated. Find out about dilution-to-threshold methods, which currently are the most widely accepted.
Odor control strategies, emissions mitigation, and air quality assessment tools.
Odor measurement is complicated. Find out about dilution-to-threshold methods, which currently are the most widely accepted.
Iowa State University Extension and Outreach https://shop.iastate.edu/extension/community-development/technology-and-the-arts/air-quality/pm1963c.htmlMore than 75 odorous compounds have been identified in livestock manures. Knowing odor chemistry is helpful to design and manage manure systems and avoid nuisance complaints.
Odor control strategies, emissions mitigation, and air quality assessment tools.
More than 75 odorous compounds have been identified in livestock manures. Knowing odor chemistry is helpful to design and manage manure systems and avoid nuisance complaints.
Iowa State University Extension and Outreach https://shop.iastate.edu/extension/community-development/technology-and-the-arts/air-quality/pm1963b.htmlOdor control strategies, emissions mitigation, and air quality assessment tools.
Resource Detail
Manure Management
Hydrogen sulfide safety hazards and essential precautions for manure handling and agitation operations.
Application practices, nutrient management, and treatment options for manure systems.
Hydrogen sulfide safety hazards and essential precautions for manure handling and agitation operations.
Iowa State University Extension and Outreach https://youtu.be/7MtOpukyGL4?si=COJVytayxJn9S7UcManure has characteristics that make nutrient management different and sometimes more complicated than fertilizer. Find out about manure nutrient availability for crops, manure nutrient supply, manure nutrient application recommendations, adjusting for manure nitrogen volatilization, and more.
Application practices, nutrient management, and treatment options for manure systems.
Manure has characteristics that make nutrient management different and sometimes more complicated than fertilizer. Find out about manure nutrient availability for crops, manure nutrient supply, manure nutrient application recommendations, adjusting for manure nitrogen volatilization, and more.
Iowa State University Extension and Outreach https://shop.iastate.edu/extension/farm-environment/crops-and-soils/agronomic-crops/pmr1003.htmlA manure sample analysis that indicates manure nutrient concentrations can help define application rates and increase the potential as a crop nutrient source. Learn how frequently to sample, what testing to request and how to use analysis results in a manure nutrient management plan.
Application practices, nutrient management, and treatment options for manure systems.
A manure sample analysis that indicates manure nutrient concentrations can help define application rates and increase the potential as a crop nutrient source. Learn how frequently to sample, what testing to request and how to use analysis results in a manure nutrient management plan.
Iowa State University Extension and Outreach https://shop.iastate.edu/extension/farm-environment/crops-and-soils/manure-and-nutrient-management/pm3014.htmlAdopting best management practices throughout an operation must take into consideration both manure application and tillage management.
Application practices, nutrient management, and treatment options for manure systems.
Adopting best management practices throughout an operation must take into consideration both manure application and tillage management.
Iowa State University Extension and Outreach https://shop.iastate.edu/extension/farm-environment/natural-resources-and-environment/weed-management/pm1901g.htmlSafety guidelines and treatment options for manure foam including ventilation requirements, feed management, and chemical treatments.
Application practices, nutrient management, and treatment options for manure systems.
Safety guidelines and treatment options for manure foam including ventilation requirements, feed management, and chemical treatments.
Iowa State University Extension and Outreach https://iastate.app.box.com/v/ManureFoamingCertification requirements, training options, and renewal information for producers applying manure from their own confinement operations.
Application practices, nutrient management, and treatment options for manure systems.
Certification requirements, training options, and renewal information for producers applying manure from their own confinement operations.
Iowa State University Extension and Outreach https://www.extension.iastate.edu/immag/confinement-site-applicatorsCertification requirements, training options, and licensing information for commercial manure application businesses and their employees.
Application practices, nutrient management, and treatment options for manure systems.
Certification requirements, training options, and licensing information for commercial manure application businesses and their employees.
Iowa State University Extension and Outreach https://www.extension.iastate.edu/immag/commercial-manure-applicatorsDr. Dan Andersen, Iowa State University, discusses the science of manure, including management, options for treatment, use as fertilizer, environmental impacts and new technologies.
Application practices, nutrient management, and treatment options for manure systems.
Dr. Dan Andersen, Iowa State University, discusses the science of manure, including management, options for treatment, use as fertilizer, environmental impacts and new technologies.
Iowa State University Extension and Outreach https://themanurescoop.blogspot.com/IMMAG was created in 1997 by commodity and public sector groups to help producers maximize the value of manure as well as protect the environment. It links to many scientific and regulatory resources.
Application practices, nutrient management, and treatment options for manure systems.
IMMAG was created in 1997 by commodity and public sector groups to help producers maximize the value of manure as well as protect the environment. It links to many scientific and regulatory resources.
Iowa State University Extension and Outreach https://www.extension.iastate.edu/immag/Resource Detail
Mortality Disposal
This publication provides best practices for composting swine carcasses.
Composting methods and best practices for handling dead livestock.
This publication provides best practices for composting swine carcasses.
Iowa State University Extension and Outreach https://shop.iastate.edu/extension/farm-environment/crops-and-soils/swine/ae3549.htmlLearn how on-farm composting of dead livestock can save producers money and help protect the environment.
Composting methods and best practices for handling dead livestock.
Learn how on-farm composting of dead livestock can save producers money and help protect the environment.
Iowa State University Extension and Outreach https://shop.iastate.edu/extension/farm-environment/animals-and-livestock/sustainability/sa8.htmlResource Detail
Regulatory Compliance
Support organization offering Iowa farmers regulatory assistance, community relations guidance, and recognition programs for good neighbor practices.
Certification requirements, regulations, and documentation for environmental permits.
Support organization offering Iowa farmers regulatory assistance, community relations guidance, and recognition programs for good neighbor practices.
Coalition to Support Iowa Farmers https://www.supportfarmers.com/Comprehensive regulatory information, permits, forms, and compliance guidance for Iowa confinement and open feedlot operations.
Certification requirements, regulations, and documentation for environmental permits.
Comprehensive regulatory information, permits, forms, and compliance guidance for Iowa confinement and open feedlot operations.
Iowa Department of Natural Resources https://www.iowadnr.gov/environmental-protection/animal-feeding-operationsThis worksheet provides guidelines for using the computer program RUSLE2 (Revised Universal Soil Loss Equation 2) and for calculating the Iowa Phosphorous Index. These are needed in nutrient management and conservation planning.
Certification requirements, regulations, and documentation for environmental permits.
This worksheet provides guidelines for using the computer program RUSLE2 (Revised Universal Soil Loss Equation 2) and for calculating the Iowa Phosphorous Index. These are needed in nutrient management and conservation planning.
Iowa State University Extension and Outreach https://shop.iastate.edu/extension/farm-environment/natural-resources-and-environment/agronomic-crops/pm2021.htmlState regulations, separation distance requirements, and certification pathways for land applying manure in Iowa.
Certification requirements, regulations, and documentation for environmental permits.
State regulations, separation distance requirements, and certification pathways for land applying manure in Iowa.
Iowa Department of Natural Resources https://www.iowadnr.gov/environmental-protection/animal-feeding-operations/afo-manure-applicationResource Detail
Sustainability
Sustainability in the swine industry can be calculated using a Life Cycle Assessment (LCA). Swine production LCAs can inform producers and consumers how certain production practices impact the environment.
Tools and calculators to measure environmental footprint and track sustainability improvements.
Sustainability in the swine industry can be calculated using a Life Cycle Assessment (LCA). Swine production LCAs can inform producers and consumers how certain production practices impact the environment.
Iowa State University Extension and Outreach https://store.extension.iastate.edu/Product/16468This fact sheet is a companion piece for the Wean-Finish Pork Sustainability Calculator and helps explain how the information from calculator inputs can be used by producers.
Tools and calculators to measure environmental footprint and track sustainability improvements.
This fact sheet is a companion piece for the Wean-Finish Pork Sustainability Calculator and helps explain how the information from calculator inputs can be used by producers.
Iowa State University Extension and Outreach https://store.extension.iastate.edu/product/16718This calculator allows producers to understand how improvements in finishing, such as mortality and feed efficiency, can influence the environmental footprint of the barn.
Tools and calculators to measure environmental footprint and track sustainability improvements.
This calculator allows producers to understand how improvements in finishing, such as mortality and feed efficiency, can influence the environmental footprint of the barn.
Iowa State University Extension and OutreachResource Detail
Questions?

Dan Andersen
Associate Professor and Extension Agriculture Engineering Specialist