Content tagged "methane"

Aeration to Improve Biogas Production by Recalcitrant Feedstock

Why aerate biogas digesters?Most agricultural waste is largely composed of polymers such as lignin and complex carbohydrates that are slowly or nearly...

Greenhouse Gases and Agriculture (Self Study Lesson)

Animal Manure Management Updated: January 14, 2016

This is a self-guided learning lesson about greenhouse gases (GHG) and their connections to livestock and poultry production. It is useful for self-study and...

Methane Emissions from Dairy Cattle

Dairy Animal Manure Management Updated: September 29, 2015

Reprinted, with permission, from the proceedings of: Mitigating Air Emissions From Animal Feeding Operations Conference.Species: Dairy Use Area: Animal...

Measuring Nitrous Oxide and Methane Emissions from Feedyard Pen Surfaces; Experience with the NFT-NSS Chamber Technique

Animal Manure Management Updated: August 03, 2015

Accurate estimation of greenhouse gas emissions, including nitrous oxide and methane, from open beef cattle feedlots is an increasing concern given the...

Effect of Temperature on Methane Production from Field-Scale Anaerobic Digesters Treating Dairy Manure

Animal Manure Management Updated: April 30, 2015

Anaerobic digestion is a process that results in the production of biogas that can be used a renewable source of electricity on-farm or sold to the...

Effect of protein supplementation of low-quality forage diets on enteric methane production of beef steers

Animal Manure Management Updated: March 24, 2015

Cattle are a significant source of agricultural greenhouse gas (GHG) emissions; with enteric methane being the major GHG produced under most management...

University and Anaerobic Digestion Industry Partnerships - Laboratory Testing

Animal Manure Management Updated: March 16, 2015

The anaerobic digestion (AD) industry often is in need of laboratory testing to assist them with issues related to project development, digester performance...

Antibiotic Degradation During Anaerobic Digestion and Effects of Antibiotics on Biogas Production

Animal Manure Management Updated: March 16, 2015

The purpose of this research was to investigate the degradation of four animal husbandry antibiotics during anaerobic digestion (AD) and study biogas...

Impact of Manure Incorporation on Greenhouse Gas Emissions in Semi-Arid Regions

Animal Manure Management Updated: March 16, 2015

Gaseous emissions from animal feeding operations (AFOs) can create adverse impacts ranging from short-term local effects on air quality, to long-term effects...

Manure management and temperature impacts on gas concentrations in mono-slope cattle facilities

Animal Manure Management Updated: June 23, 2014

Waste to Worth home | More proceedings....Mono-slope buildings (Figure 1) are one type of roofed and confined cattle feeding facility that is becoming...

Combination of Borax and Quebracho Condensed Tannins Treatment to Reduce Hydrogen Sulfide, Ammonia and Greenhouse Gas Emissions from Stored Swine Manure

Animal Manure Management Updated: November 18, 2013

Waste to Worth home | More proceedings....Livestock producers are acutely aware for the need to reduce gaseous emissions from stored livestock waste and have...

Inhibition Of Total Gas Production, Methane, Hydrogen Sulfide, And Sulfate-Reducing Bacteria From In Vitro Stored Swine Manure Using Condensed Tannins

Animal Manure Management Updated: November 18, 2013

Waste to Worth home | More proceedings....Management practices from large-scale swine production facilities have resulted in the increased collection and...

Anaerobic Digestion of Finishing Cattle Manure

Animal Manure Management Updated: November 18, 2013

Waste to Worth home | More proceedings....The concept of utilizing feedlot manure in an anaerobic digester to power an ethanol plant, which then produces...

Direct Measurements of Methane Emissions from a Dairy Lagoon in Northeast Colorado

Animal Manure Management Updated: November 14, 2013

Waste to Worth home | More proceedings....Methane (CH4) emissions from cattle feedlots and dairies could represent a large component of agriculture's...

Feasible Small-Scale Anaerobic Digestion – Case Study of EUCOlino Digestion System.

Animal Manure Management Updated: November 13, 2013

Waste to Worth home | More proceedings....While large-scale farms have typically been the focus of anaerobic digestion systems in the U.S., an emerging need...

Greenhouse Gas Emissions from a Typical Cow-Calf Operation in Florida, USA

Beef Cattle Animal Manure Management Updated: November 13, 2013

Waste to Worth home | More proceedings....The purpose of this study was to investigate greenhouse gas (GHG) emission sources in a typical cow-calf operation...

Money from Something: Carbon Market Developments for Agriculture

Animal Manure Management Updated: November 07, 2013

Waste to Worth home | More proceedings....For more than a decade, the potential to earn revenue from climate-saving activities in agriculture has been touted...

Influence of Swine Manure Application Method on Concentrations of Methanogens and Denitrifiers in Agricultural Soils

Animal Manure Management Updated: November 06, 2013

Waste to Worth home | More proceedings....Soil microbial communities have been proposed as indicators of soil quality due to their importance as drivers of...

Effects of Corn Processing Method and Dietary Inclusion of Wet Distillers Grains with Solubles (WDGS) On Enteric Methane Emissions of Finishing Cattle

Beef Cattle Animal Manure Management Updated: November 06, 2013

Waste to Worth home | More proceedings....The use of wet distiller’s grains with solubles (WDGS) in feedlot diets has increased as a result of the growing...

Greenhouse Gas Emissions From Land Applied Swine Manure: Development of Method Based on Static Flux Chambers

Animal Manure Management Updated: November 06, 2013

Waste to Worth home | More proceedings....A new method was used at the Ag 450 Farm Iowa State University (41.98N, 93.65W) from October 24, 2012 through...

Gas Impermeable Film and Sheet for Control of Methane and Odors in Agricultural Applications

Dairy Animal Manure Management Updated: September 22, 2011

Reprinted, with permission, from the proceedings of: Mitigating Air Emissions From Animal Feeding Operations Conference.Species: Swine, Dairy, Beef, ...

Many organisms live on decaying wood, so if decaying wood is removed from the forest for energy production, will it negatively impact the native ecology?

Wood Energy Updated: March 12, 2010

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This work is supported by the USDA National Institute of Food and Agriculture, New Technologies for Ag Extension project.