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Standard |
Updated:
02/2005
EHO 103 - Greenhouse Operations
Develops a basic understanding of greenhouse
design, construction, and environmental factors affecting plant growth. Topics include: greenhouse
construction, greenhouse heating and cooling, greenhouse soil functions and
components, irrigation types and effects, fertilizer types and applications,
and fall crops for the local area.
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Competency Areas |
Hours |
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Greenhouse Construction |
Class |
2 |
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Greenhouse Heating and Cooling |
D. Lab |
0 |
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Greenhouse Soil Functions and Components |
P. Lab/O.B.I. |
3 |
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Irrigation Types and Effects |
Credit |
3 |
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Fertilizer Types and Applications |
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Fall Crops for the Local Area |
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Prerequisite: |
Provisional admission |
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Corequisite: |
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Course Guide |
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Competency |
After
completing this section, the student will: |
Hours |
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Class |
D.Lab
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P.Lab/ O.B.I. |
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GREENHOUSE CONSTRUCTION |
4 |
0
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0 |
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Location |
Select a suitable location for a greenhouse. |
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Structures |
Identify greenhouse components. |
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Discuss economic factors involved in greenhouse construction. |
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Covering materials |
Discuss the characteristics of materials used in greenhouse
construction. |
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Glaze or recover greenhouse structures. |
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Benches |
Design greenhouse bench systems. |
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Evaluate bench systems in terms of overall greenhouse design and crops
being grown. |
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GREENHOUSE HEATING AND COOLING |
4 |
0
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0 |
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Heating |
Explain basic differences in types of available greenhouse heating
systems. |
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Calculate heating requirements for a greenhouse. |
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Maintain growing structure heating system. |
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Regulate growing structure temperature. |
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Cooling |
Explain the basic principles of greenhouse ventilation and cooling. |
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Describe methods of greenhouse cooling. |
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Calculate cooling requirements for a greenhouse. |
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Maintain growing structure cooling system. |
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GREENHOUSE SOIL FUNCTIONS AND COMPONENTS |
4 |
0
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0 |
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Introduction |
Define soilless media. Explain why soilless media are desirable. |
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Components |
List components of artificial soils and their characteristics. |
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Functions |
Discuss the function of soilless media. |
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Economics |
Evaluate the cost effectiveness of various greenhouse soil mixes. |
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Practical application |
Mix greenhouse growing media. |
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Alter pH of greenhouse growing media. |
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Pasteurize greenhouse growing media. |
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IRRIGATION
TYPES AND EFFECTS
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4 |
0
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0 |
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Effects |
Describe the effects of water on plants. |
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Rules |
Explain general guidelines for watering plants. |
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Quality |
Demonstrate an awareness of importance of water quality for plant
growth. |
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Systems |
Identify types of systems used for irrigation greenhouse crops. |
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FERTILIZER TYPES AND APPLICATIONS |
4 |
0
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0 |
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Types |
Compare various types of fertilization procedures for greenhouse
crops. |
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Methods of application |
Calculate fertilizer requirements for greenhouse crops. |
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Calculate liquid fertilizer concentrations for greenhouse crops. |
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Prepare fertilizer solutions for greenhouse crops. |
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Fertilize greenhouse plants. |
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FALL
CROPS FOR THE LOCAL AREA
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0 |
0
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30 |
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Greenhouse plant cultivation |
Apply growth regulator to local fall greenhouse crops. Disbud fall
greenhouse plants. |
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Pot fall greenhouse plants. |
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Pinch fall greenhouse plants. |
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Label greenhouse plants. |
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Stake fall greenhouse plants. |
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Suggested Resources |
Nelson, P. (2003).
Greenhouse Operation and Management.
Beytes, C. (2003). Ball Redbook, Greenhouses and Equipment.
McMahon, R.
(2000). An Introduction to Greenhouse Production.
Aldrich, R.
(1994). Greenhouse Engineering.
Walls,
Jozwik, F. (2000). The Greenhouse and Nursery Handbook, A complete guide to growing
and selling ornamental plants. Mills,