Alberta Greenhouse Growers Association

Cold Weather, Carbon Dioxide & Possibilities of Greenhouse Pollution

submitted by Mohyuddin Mirza

cold damage With the cold weather we have been having, a few issues are emerging which need attention. With outside temperatures below 30C and wind over 20 miles/hour several issues can emerge in the greenhouse:

The obvious one is cooler temperature inside the greenhouse and cold spots along the perimeter. Twenty four (24) hours average temperature may drop below the set point and that will cause vegetative crops. A purple color on leaves, thickening of stems and yellowish green color is an indication of temperature dropping to about 12C. Look at the picture:

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Last Updated ( Wednesday, 18 January 2012 20:40 )

Take a Course at Olds College!

Olds College is currently offers these courses related to horticulture:

Bachelor of Applied Science: Horticulture
~ Golf Course Management
~ Landscape Management
~ Production Horticulture
Environmental Horticulture
~ Arboriculture (Tree Care)
~ Landscape Management
Landscape Gardener Apprenticeship
Production Horticulture
Turfgrass Management

Last Updated ( Wednesday, 18 January 2012 21:20 )

Workshops

Bedding Plants Production and Marketing Workshop

When: Wednesday, February 15, 2012

Where: Crop Diversification Centre, 17507-Fort Road, Edmonton, Alberta

Cost: $ 63.00 (includes GST)) for AGGA members - Delicious Lunch included OR $105.00 (includes GST) for Non-members - Delicious Lunch included
Non members can benefit by becoming members before the workshop. New membership is only $ 105.00. Get the application or call 780-489-1991

Last Updated ( Friday, 02 December 2011 09:55 )

Membership Renewals

It's that time of year again...membership fees are now due, with the deadline of October 1 each year. Please use the links below to download a copy of the renewal form for 2012.

New Membership