The greenhouse environment: the effect of environmental factors on the growth and development of flower crops
The greenhouse environment; Temperature; Solar and luminous radiant energy; Gases; Growing media; Water; Nutrient requirements and fertilization programs; Growth regulating chemicals.
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Definition of a Greenhouse
THE GREENHOUSE ENVIRONMENT
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aeration Amer ammonia anthesis auxin bench carbon dioxide carbon dioxide enrichment carnations chrysanthemums Colorado Flower Growers concentration cooling crease cultivars cut flowers day temperatures daylength decrease Easter lilies effect ergy ethylene fans fertilizer Figure flower buds flower crops Flower Growers Assoc flower initiation fluorescent lamps ft-c germination glass grams greenhouse growing media grown heat Holley Hort inches increase irradiation irrigation leaf leaves levels light long days Mastalerz medium ment moisture moisture stress night temperatures nitrogen nutrients occurs optimum organic matter oxygen particles pasteurization peratures percent perlite photoperiods photosynthesis plant growth poinsettia Proc produced radiant flux density reduced relatively respiration root roses sawdust seedlings seeds short days snapdragons soil mixture solar radiant energy species sphagnum moss steam stem storage substrate substrate temperatures superphosphate surface Table tempera temperatures tion toxic treatment tures vapor ventilation yield