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Dust and Particulate Control for Animal Housing Systems with Liquid Manure - Landscaping
Landscaping can reduce downwind concentration of housing dust and odors, beyond the property line, by trapping and treating particles and gas emissions. Trees and shrubs act as biofilters for fine particles and odorous compounds that are attached to them. By landscaping with both a treeline and a row of shrubs, particles at various heights within a plume can be adsorbed. To maximize adsorption, landscape materials with large surface areas are recommended. Trees and shrubs places around the facility should not impede building ventilation and are often located on the property lines.
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Costs associated with landscaping will vary
depending on selected trees and shrubs, and on perimeter size.
Estimates of a shelterbelt planted around a 3000-head hog facility
using "higher" cost trees
($25 per shrub or tree), calculated as $0.68 per pig for one year,
amortized over 20 years at 5 percent, is just $0.09 per pig. These
costs include maintenance costs. In addition to acting as a natural
filtration system for odors, landscaping has the additional benefits
of being aesthetically pleasing to the eye and of restricting the
view of the operation. So, while documented effectiveness on emissions
is scarce, the value of creating a facility that is pleasant to
the eye cannot be underestimated.
