Swine effluent compared to inorganic fertilizers for tomato production
January 1, 1999
Five fertilizer treatments, three of which included swine effluent, were evaluated for plasticulture production of tomato, cv. Mountain Spring, grown on raised beds with black polyethylene mulch and...
Impacts of swine manure pits on groundwater quality
January 1, 1999By I. G. Krapac
Manure deep-pits are commonly used to store manure at confined animal feeding operations. However, previous to this study little information had been collected on the impacts of deep-pits on...
Estimating the availability of nutrients from processed swine lagoon solids through incubation studies
January 1, 1999By Miressa Duffera
Potential environmental hazards from the excess accumulation of swine (Sus scrofa domesticus) manure in eastern North Carolina and new state guidelines on treatment alternatives have necessitated the...
Effects of swine manure application on bacterial quality of leachate from intact soil columns
January 1, 1999By Elizabeth A. Warnemuende
Excessive application of swine manure on agricultural lands is likely to increase water pollution. Potential impacts of swine manure management on bacterial contamination in subsurface drainage are...
Phosphorus runoff from incorporated and surface-applied liquid swine manure and phosphorus fertilizer
January 1, 1999
Excessive fertilization with organic and/or inorganic P amendments to cropland increases the potential risk of P loss to surface waters. The objective of this study was to evaluate the effects of...
Shallow subsurface drains to reduce nitrate losses from drained agricultural lands
January 1, 1999
Nitrate losses from subsurface drainage systems remain an important environmental concern. Data were collected from two drainage systems near Plymouth, North Carolina, to evaluate the effect of...
Changes in soil attributes following low phosphorus swine slurry application to no-tillage sorghum
January 1, 1999By Brian J. Wienhold
Swine (Sus scrofa) slurry can serve as an excellent fertilizer source. Application at rates to meet crop N requirements can result in excess soil P due to low manure N/P ratios. Low phytate corn...
Daylong monitoring of odor and gas emissions from animal facilities
January 1, 1999
This paper presents daily emission data for odour, ammonia, and hydrogen sulfide from 7 animal facilities in Minnesota, USA. The data were collected at 2 h intervals over a 12 h period during the day...
Removal of malodorous compounds from liquid swine manure by subsurface constructed wetlands in a greenhouse
January 1, 1999
Odour removal from liquid swine manure by subsurface flow constructed wetlands located in a greenhouse was quantified. The relationship between wetland treatments (planted vs. unplanted) and the...
Effect of a manure additive on the reduction of ammonia emission from large swine finishing buildings
January 1, 1999
The effect of Alliance, a manure additive, on air quality was tested in four commercial grow-finish swine buildings over a period of six months. The test was conducted in two treated and two control...
Continuous measurement of hydrogen sulfide emission from two large swine finishing buildings
January 1, 1999
The emission of hydrogen sulfide (H2S) was continuously measured from two 1,000-head growing-finishing pig buildings for 6 months during 2 partial growth cycles. Hydrogen sulfide concentration was...
Determining odor emissions from manure surfaces using a wind tunnel
January 1, 1999
A wind tunnel was used to measure odour emissions from the surface of a liquid manure storage basin on 15 June 1999 in Minnesota, USA. The basin stored manure from a 1200 sow gestation/farrowing...
