The Rural Voice, 2004-01, Page 26cropland.
Shelterbelts
established around
' the full perimeter
of farm fields will
usefully reduce
movement of odour
and can
accommodate
winds that are
approaching the
farm from ani
direction.
Studies
involving dust have
shown shelterbelts
can remove 35-55
per cent of dust
being carried in
moving air which
would provide a
substantial
reduction of
offensive odours
carried off the farm. The amount of
dust that is picked up or allowed to
settle will depend on wind speed,
direction of the wind, density of the
shelterbelt trees and number of
shelterbelts.
Scientific evidence of plant intake
Deposit of odours
Quiet zone
and shrub!; or
shelterbelts will
help re duce
odour s.
Interception jof air
pollutants mi ay be
20 times hig her in
treed or forested
areas than it I non -
forested cropped
or barren I ands.
Conifers show a
n better abil ay to
absorb air
pollutants than
deciduous ti ees.
Leuty ex plains
that od orous
gases. chelmicals
and dust prtrticles
can become : fixed
to plant surfaces
and can en rcr into
the plant ti ssue in
three ways. Gases can be at sorbed
through open stomata. Soluble air
pollutants can enter through :stomata
in a dissolved liquid form. Pc illutants
can he absorbed directly inl,o plant
tissues.
Trees and shrubs absorb air
Odour particles
fall
The downwind shelterbelt catches dust and odour -bearing particles much Ike a
snowfence would.
of livestock odours under real field
situations is limited, Leuty says. but
there have been many studies done
on the ability of plants to absorb air -
polluting odours and chemicals.
Research in livestock odour control
shows very strong evidence that trees
\NAL.s
0
x
4
4bC)000+0 sQ``'c„
Marvin L. Smith
B.Sc.F. (Forestry), R P.F
Farm Woodland Specialist
570 Riverview Dr.
Listowel, Ontario N4WN 3T7
Telephone: (519) 291-2236
Providing advice and assistance with:
• impartial advice/assistance in selling timber.
including selection of trees and marking
• reforestation of erodible or idle land
• follow-up tending of young plantations
• windbreak planning and establishment
• woodlot management planning
• diagnosis of insect and disease problems
• conducting educational programs in woodlot
management
• any other woodland or tree concerns
co
all
Tit
Serving
9995l regions of io
SULTIIIB
Tree Marking,
Advertising,
Woodlot Assessments,
Dave Taylor & Jim Eccles John Todd
Desboro, Ontario Paris, Ontario
519-794-9992 519-442-3102
A New Clinton Office
to serve you better...
Harold Frost
519-482-7176
22 THE RURAL VOICE
GIZEAT LAKE S
FOREST • PRODUCT rS
• Buyers of standing timber & logs
• All woodlots paid in full bE More
logging begins
(519) 482-97,62
Jake or Bob Hovi us
"Our Money...Grows on 1 gee% "
Warren D. Moore
tilForest Speciali$ 1
specializing in:
* Woodlot Managem, irnt
* Timber Marking and M; arketing
* Tree Pruning, Tree Re moval
* Tree Planting Servi ces
Certified Managed Forest Plan AF prover
Provincial Tree Marker '✓ '
Blvth 523-9 855