Open Access. Powered by Scholars. Published by Universities.®
- Keyword
-
- Runoff (2)
- Water quality (2)
- Best management practices (1)
- Buffer zone (1)
- Burley Tobacco (1)
-
- Cattle-grazing strategy (1)
- Curing Frames (1)
- Curing Structure (1)
- Fecal coliform (1)
- Fecal streptococcus (1)
- Feeding (1)
- Front-end loader (1)
- Geotextiles (1)
- Grassed pastures (1)
- Housing System (1)
- Manure (1)
- Metals (1)
- Moveable Frames (1)
- Nonpoint source pollution (1)
- Safety (1)
- Scale model (1)
- Stability (1)
- Stream flow (1)
- Tractor (1)
- Traffic Surfaces (1)
Articles 1 - 8 of 8
Full-Text Articles in Entire DC Network
Effect Of Bmp Implementation On Storm Flow Quality Of Two Northwestern Arkansas Streams, Dwayne R. Edwards, Tommy C. Daniel, H. Don Scott, Phillip A. Moore Jr., John F. Murdoch, Paul F. Vendrell
Effect Of Bmp Implementation On Storm Flow Quality Of Two Northwestern Arkansas Streams, Dwayne R. Edwards, Tommy C. Daniel, H. Don Scott, Phillip A. Moore Jr., John F. Murdoch, Paul F. Vendrell
Biosystems and Agricultural Engineering Faculty Publications
The effectiveness of management practices in improving quality of runoff from agricultural land areas has been reported based primarily on results from plot- and field-scale studies. There is limited information available on watershed scales, particularly when the dominant agricultural land use is pasture. The objective of this study was to determine whether a program of Best Management Practice (BMP) implementation in the Lincoln Lake watershed of northwestern Arkansas was effective in reducing storm stream flow concentrations and mass transport of nitrate nitrogen (NO3-N), ammonia nitrogen (NH3-N), total Kjeldahl nitrogen (TKN), ortho-phosphorus (PO4-P), total phosphorus …
Using Geotextiles For Feeding And Traffic Surfaces, Larry W. Turner
Using Geotextiles For Feeding And Traffic Surfaces, Larry W. Turner
Agricultural Engineering Extension Publications
Mud robs Kentucky beef and dairy producers of performance from their cattle herds in winter and spring. To help avoid the problems associated with mud and reduced performance, producers should consider using concrete pads or lower-cost all-weather surfaces wherever animals congregate (e.g., feeding areas, animal traffic areas, and loafing areas). Although concrete is probably the most desirable surface for durability and low maintenance, an all-weather surface can be constructed of geotextile fabric, rock, and fine surface cover for less than one-third of the cost of concrete. Rock over bare soil in Kentucky requires approximately 12 inches of depth for stability, …
Dynamic Stability Of Two Tractor Front-End Loader Systems, Michael J. Bader, Linus R. Walton, Larry G. Wells
Dynamic Stability Of Two Tractor Front-End Loader Systems, Michael J. Bader, Linus R. Walton, Larry G. Wells
Biosystems and Agricultural Engineering Faculty Publications
A one-quarter scale model tractor and loader were designed, fabricated, and used in an experiment to evaluate two tractor-loader configurations relative to stability using roll angle as the means of assessment. The nonconventional loader system consisted of a conventional loader attached to a steerable carrier which in turn was attached to the tractor by the front axle and drawbar of the tractor. The stabilizing axle for the non-conventional loader system was the front axle as opposed to the conventional system in which the stabilizing axle was the rear axle. The experiment showed that the non-conventional loader had an inherent advantage …
Vegetative Filter Strip Removal Of Metals In Runoff From Poultry Litter-Amended Fescuegrass Plots, Dwayne R. Edwards, P. A. Moore Jr., Tommy C. Daniel, Puneet Srivastava, D. J. Nichols
Vegetative Filter Strip Removal Of Metals In Runoff From Poultry Litter-Amended Fescuegrass Plots, Dwayne R. Edwards, P. A. Moore Jr., Tommy C. Daniel, Puneet Srivastava, D. J. Nichols
Biosystems and Agricultural Engineering Faculty Publications
Runoff from land areas amended with poultry (Gallus gallus domesticus) manure can contain elevated concentrations of metals such as Cu, Fe, and Zn. Vegetative filter strips (VFS) can reduce runoff concentrations of animal manure components, but reported studies have typically focused on nutrients and solids rather than metals. This experiment assessed the impact of VFS length (0 to 12 m) on concentrations and mass losses of Cu, Fe, K, Na, Ni, and Zn in runoff from fescuegrass (Festuca arundinacea Schreb.) plots (1.5 m wide × 6 and 12 m long) treated with poultry litter. The runoff was produced from simulated …
Moveable Curing Frames, George A. Duncan, Larry D. Swetnam, Linus R. Walton
Moveable Curing Frames, George A. Duncan, Larry D. Swetnam, Linus R. Walton
Agricultural Engineering Extension Updates
Low cost, low labor, moveable, sturdy, dependable and easily covered -- is this an ideal curing structure? Can it be done? Seeking such a design is the aim of ongoing studies using the cantilever-beam concept for supporting two rails of stick tobacco on a central beam.
A Field Curing Structure And Mechanized Housing System For Burley Tobacco, Linus R. Walton, Larry D. Swetnam, George A. Duncan
A Field Curing Structure And Mechanized Housing System For Burley Tobacco, Linus R. Walton, Larry D. Swetnam, George A. Duncan
Agricultural Engineering Extension Updates
Two deterrents to expansion of production of burley tobacco are a lack of barn room located conveniently to the tobacco fields and a lack of hired labor for harvesting and housing, In working toward a solution to these problems, engineers from the Biosystems and Agricultural Engineering Department have designed and fabricated a field curing structure with a mechanized housing system. The field curing structure has three rows of posts set in the ground to provide columnar strength for the structure. Cross members are set on top of the columns to support the tobacco when it is placed into the structure. …
Indicator Bacteria Concentrations Of Two Northwest Arkansas Streams In Relation To Flow And Season, Dwayne R. Edwards, Mark S. Coyne, Tommy C. Daniel, P. F. Vendrell, J. F. Murdoch, P. A. Moore Jr.
Indicator Bacteria Concentrations Of Two Northwest Arkansas Streams In Relation To Flow And Season, Dwayne R. Edwards, Mark S. Coyne, Tommy C. Daniel, P. F. Vendrell, J. F. Murdoch, P. A. Moore Jr.
Biosystems and Agricultural Engineering Faculty Publications
Concentrations of indicator bacteria such as fecal coliform (FC) and fecal streptococcus (FS) are often used to assess the suitability of waters for their intended use(s) and to allocate resources for water quality improvement measures. There is evidence, however, that concentrations of FC and FS can be influenced by variables such as season and flow rate during sampling, which could lead to biased results. The objective of this study was to assess the impacts of season and flow rate on concentrations of FC and FS. Fecal indicator bacteria concentrations were measured for approximately three years at five sites on two …
Runoff Quality Responses To Cattle-Gazing Strategy And Grassed Buffer Zone Length, Dwayne R. Edwards, Brian T. Larsen, Teng T. Lim
Runoff Quality Responses To Cattle-Gazing Strategy And Grassed Buffer Zone Length, Dwayne R. Edwards, Brian T. Larsen, Teng T. Lim
KWRRI Research Reports
Grazed pastures represent a source of potential nonpoint pollution. In comparison to other nonpoint sources (e.g., row-cropped lands), relatively little information exists regarding possible magnitudes of pollution from grazed pasture; how that pollution is affected by weather, soil, management and other variables; and how the pollution can be minimized. The objective of this study was to assess how the quality of runoff from simulated grazed pasture is influenced by grazing duration (4-12 weeks), grazing strategy (no grazing, conventional grazing and rotational grazing), and by the use of grassed buffer strips (ranging in length from O to 18.3 m) installed down-slope …