Environment - Manure Storage / Application
Adding Value to Swine Manure Through Accurate Prediction of Organic Nitrogen Availability
March 20, 2008By Charles Wortmann
Swine slurry contains nitrogen primarily in organic and ammonium forms. Ammonium-N is immediately crop available following land application if not lost to volatilization which should be minimal if...
Environment - Other
Demonstrating Innovative Use of Precision Farming Technologies to Optimize Manure Nutrient Utilization and Reduce Environmental Concerns
February 8, 2008By Richard Wolkowski
Precision Agriculture Technologies are here to stay as more combines, applicators, and tractors are equipped with GPS receivers, steering systems and data recording systems. These technologies offer...
Environment - Air
Particulates, Ammonium Nitrate, and Ammonium Sulfate: Effects on Air Quality in Rural Iowa
December 26, 2007By R. L. Pfeiffer
Air quality has many components, one of which is PM2.5 and ammonium nitrate and ammonium sulfate are reported to be two of the major components. Swine confinement facilities generate significant...
Environment - Air
Evaluation of the effectiveness of a BEI biocurtain and electrostatic space charge system for reducing emissions of total suspended particulate matter from swine building exhaust streams
July 16, 2007By Michael Ellis
The objective of this study was to test the effectiveness of a commercially available biocurtain, incorporating an electrostatic space charge system (ESCS), at reducing dust emissions from a...
Environment - Air
Laying the Groundwork for Odor Control and Setback Estimation in Nebraska
July 8, 2007By Richard R. Stowell
Environment - Air
On-farm Evaluation of the Good Neighbor System for Manure Treatment for Reducing Emissions from Swine Facilities
July 3, 2007By Michael Ellis
The objective of this study was to investigate the effectiveness of the Good Neighbor System (GNS) at reducing gaseous emissions from swine facilities under full-scale production conditions. Also,...
Environment - Air
Evaluation of Boric Acid and Sodium Tetraborate to Reduce Ammonia and Hydrogen Sulfide Emissions from Swine Facilities
July 2, 2007By Melvin Yokoyama
Hazardous gas emissions from stored livestock manure can pose environmental and health issues for both farm workers and animals. Ammonia and hydrogen sulfide emissions have risen sharply with more...
Environment - Manure Storage / Application
Manure-Phosphorus in Soil: Detection and Mobility of Phytate
June 5, 2007By Shiping Deng
Annual swine effluent application in western Oklahoma for 11 consecutive years did not lead to significant accumulation of soil phosphorus. Similar trend was shown in a century-old field experiment...
Environment - Other
Estimation of the mass balance of nutrients for specific production phases and the flow of nutrients through a swine farm
April 16, 2007By Scott Carter
Results from these experiments suggest that dietary manipulation can have dramatic effects on the mass balance of nutrients during the finishing phase. Altering the dietary crude protein and...
Environment - Air
Assessing the impact of swine sulfur intake from drinking water on odor and gaseous emissions and manure nutrients
February 12, 2007By Bernardo Predicala
The impact of a specific input to the pig on the resulting air emissions and manure characteristics was assessed. Specifically, the impact of varying sulfate levels in drinking water on odor and...
