The Rural Voice, 2002-06, Page 30Safe & Professional
Dismantling of Barns & Wooden Structures
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NOSTALGIC SALVAGE INC.
Danny Farrow
519-323-0175 565 Perth St. N., Mount Forest 1-888-643-8410
Barrie Metals Ltd.
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220 John Street
Barrie, Ontario
L4N 2L3
Owen Sound Tel: (705) 728-1643
Tel: (519) 371-0803 Fax: (705) 725-8212
Fax: (519) 371-5795 Watt: (888) 340-7272
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HOWSON & HOWSON LTD.
BLYTH 523-9624
1-800-663-3653
26 THE RURAL VOICE
good place to leave the seeds — after
all, are they really a weed problem if
they stay there?
With increasing food and
environmental awareness, increasing
attention and research is being given
to some craftier means to help keep
weed seeds at bay. While minimum
or no -till might keep some seeds
locked away, another area being
studied includes working or tilling
soil under the darkness of night.
According to USDA and other
studies, night-time tillage could
reduce germination of certain weed
seed species by 50 per cent or more.
While this may work with seeds that
are stimulated to germinate after brief
exposure to Tight (such as during
cultivation), not all weed species
respond to this exposure to light.
Jn addition, different weed species
will respond differently to
cultivation. Most of us have
observed the difference in the types
and diversity of weeds found in
traditional field interiors versus the
field edges. However, this is now
gaining research attention as farmers
face differing diversities and mixes
• Different weed species
will respond differently
to cultivation. Different
tillage practices result
in different weed
communities
of weed communities found under
different tillage or organic practices.
Understanding of the diversity of
weed communities present in
different field conditions can be used,
for example, in planning "weed
suppressive crop rotation systems".
Crop rotation has many benefits,
not the least of which is weed
control. Different crops have
different seeding times that favour
certain weeds at the expense of
others. Different crops (and even
different varieties) are more
competitive than others against
different weed communities. In fact,
some argue that the presence of a
diversity of weeds may actually.
reduce damage in crops by some