. Agri-news. Agriculture. 000000000000< June 10,1996 Alberta's 'under cover'agents Alberta has a very dynamic and vibrant greenhouse crops industry. In 1994 it was reported that there were 346 operators having 7,488,626 square feet of greenhouse space, some under glass, most under plastic. Total sales of these greenhouses equalled $51 million, or about $ per square foot of total area. A variety of crops are grown under protected cultivation. Vegetables crops include seedless cucumbers, tomatoes, lettuce, egg plants, peppers and some growth in hot peppers. Alberta's cucumber and tomato g
. Agri-news. Agriculture. 000000000000< June 10,1996 Alberta's 'under cover'agents Alberta has a very dynamic and vibrant greenhouse crops industry. In 1994 it was reported that there were 346 operators having 7,488,626 square feet of greenhouse space, some under glass, most under plastic. Total sales of these greenhouses equalled $51 million, or about $ per square foot of total area. A variety of crops are grown under protected cultivation. Vegetables crops include seedless cucumbers, tomatoes, lettuce, egg plants, peppers and some growth in hot peppers. Alberta's cucumber and tomato growers can genuinely claim to be among the best producers in the world. Automaton in greenhouse environmental control, growers management practices and abundant light even in winter are factors that have played a major role in Alberta's above average productions. In 1994, seedless cucumber growers harvested up to 150 fruits per square metre on a year round basis. Tomato growers obtained yields as high as 64 kilograms per square metre. 'The cooperative attitude between growers is one of the most important factors in the growth of this industry in Alberta," says Dr. Mohyuddin Mirza, greenhouse crops specialist with Alberta Agriculture, Food and Rural Development. "Growers have learned to use proper temperature to make plants transpire for several hours during the light period. Mechanical controls such as, carbon dioxide enrichment, practised during winter and summer, and computer controlled fogging and air movement systems in the greenhouses contribute to growing ; The tree seedling sector is one of Alberta's recent success stories, growing close to 50 million each year for reforestation. The bedding plant sector is reputed for its quality due, in part, to the good climate in the province. Cut flowers are among the best in the world because of excellent light in both summer and winter. "There are many players contributing to the success of this industr
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