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Odor Control for Dry Manure Storage Practices - Landscaping
Landscaping can reduce the emission of housing odors, as well as odors generated by other components of the livestock operation, beyond the property line. Landscaping acts as a permeable filter for particle emissions, slowing the particulate movement and diluting the concentrations of emissions. Trees and shrubs act as biofilters for odorous compounds that are attached to fine particles. By landscaping with both a treeline and a row of shrubs, particles at various heights within a plume can be adsorbed. To maximize absorption, landscape materials with large surface areas are recommended. Trees and shrubs placed around the facility should not impede building ventilation and therefore are often located on the property lines.  Costs associated with landscaping will vary
depending on selected trees and shrubs, and on perimeter size. The
estimate 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. Extension Publications
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