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I. Introduction

I. Introduction. A. The Greenhouse an environmentally controlled structure designed for the production of plants. B. Greenhouse Advantages. Control of Aerial Environment Light intensity Temperature CO 2 Day length Humidity Air circulation Root Environment

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I. Introduction

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  1. I. Introduction A. The Greenhouse • an environmentally controlled structure designed for the production of plants.

  2. B. Greenhouse Advantages • Control of • Aerial Environment • Light intensity • Temperature • CO2 • Day length • Humidity • Air circulation • Root Environment • Growing media - air and water • Irrigation • Fertilization • Insect and disease

  3. Almost every factor required for plant growth regulated for maximum production. • Growth rooms with optimum lighting in the future represent completely controlled environments. • Production of 5 times the quantity of a product than can be grown in field environment.

  4. Crops Produced in Greenhouses • All Plants • Flowering crops • Cut flowers • Pot plants • Bedding plants • Foliage plants

  5. Vegetable and fruit crops • Lettuce • Cauliflower • Tomatoes • Strawberry • Broccoli • Cucumbers • Radish • Nursery crops • Propagation • Overwintering • Growing

  6. What Determines Greenhouse Location? 1. Market • Developed and industrialized countries • Large population • Product • Size • Competitors • Price • Quality

  7. 2. Climate • Light • Temperature • Weather • Pollution

  8. 3. Transportation 4. Low production costs • Fuel • Labor • Water • Electricity • Taxes • Government support

  9. 5. Import restrictions 6. Site • Air movement • Drainage • Soil • Convenience • Zoning

  10. 7. Funding • Production credit • Farmer's home Adm. • Land bank • Banks • Entrepreneur

  11. 8. Abilities of owner • Manage • People • Money • Production • Market product • Competitive ability

  12. E. World Greenhouse Acreage • United States • Japan • The Netherlands • West Germany • Great Britain • Italy

  13. F. U.S. greenhouse Industry -9,000-10,000 growers -3-4 billon $ industry -Acres: 10,000+ 5000-polyethylene 2500-fiberglass & rigid plastics 2000-glass Shade 800 acres G. Kentucky Greenhouse Industry

  14. Acres California 2,866 Florida 1,452 Ohio 543 Michigan 574 New York 371 Pennsylvania 383 Texas 461 Illinois 186 New Jersey 236 North Carolina 224 Colorado 222 Oregon 210 Washington 156 Hawaii 68 U.S. Floriculture Production • Wisconsin 129 • Minnesota 151 • Maryland 130 • Indiana 142 • Missouri 116 • Massachusetts 98 • Alabama 118 • Georgia 98 • Iowa 89 • Tennessee 99 • Kansas 58 • Virginia 45 • Connecticut 52 • Arkansas 34

  15. Problems facing industry • Fuel cost- heating, electricity, transportation • Labor - availability & cost • Pesticide use – availability & restrictions • Water - quality & available • No runoff

  16. H. Future-increase protected crop production • Increasing ultraviolet radiation on plants • Decreasing fresh water supplies and quality • Increasing erosion of top soil and degradation • Increasing problems with insect pests and diseases • Global climate changes

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