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METHODS OF ENVIRONMENTAL CONTROL
Facilities and Controls
4 other sections not shown
Abu Dhabi acres Acres Hectares Agricultural Attache Agricultural Economics American Vegetable Grower artificial light bedding plants Bulgaria capital carbon dioxide commercial competition controlled environment agriculture costs covered cucumbers Department of Agriculture desalinized Dutch early England environmental control Europe expanded Experiment Station export factors farm field culture field production flowers food crops fruit glass Glasshouse Glasshouse Crops green greenhouse crops greenhouse food production greenhouse industry greenhouse operations greenhouse production greenhouse tomatoes Greenhouse Vegetable Production grown Guernsey heat Hectares Holland Horticulture humidity hydroponic increased intensive investment irrigation L'Evolution lettuce Liberty Hyde Bailey manure March multiple cropping Naaldwijk northern November Ohio percent photosynthesis plant growth plastic plastic greenhouses plastic houses possible raised regions reported Research Rustington season short tons soil statistics strawberries temperature tion tons total area total greenhouse area U.S. Department University vegetable area ventilation Wageningen winter Wittwer Wye College yields