Lesson 13 Objectives

The purpose of this lecture is to provide background about greenhouse structures. The lecture will conclude with a discussion on the four major methods for heating greenhouses and the different types of ventilation and cooling systems commonly used in greenhouses today.

Before beginning this session:

Be sure you have read the reading assignment for this session. Check our Course Syllabus for this lesson's assignment. To access the syllabus, select the Syllabus tab above.
Think about the following lesson objectives. After completing this lesson, you will be able to:
1. Provide background on when greenhouses were first used and their wide variety of uses today.
2. Discuss different basic greenhouse structure types and the advantages and disadvantages for each.
3. Discuss steps prior to laying the foundation, the type of foundation to use and the basic components of a simple greenhouse, with their functions.
4. Provide the four major classes of greenhouse coverings used today and give their advantages and disadvantages.
5. Discuss the criteria for selecting a greenhouse range.
6. Discuss the proper ways to orient a greenhouse range and the different types of bench orientations in the greenhouse.
7. Discuss the four major methods for heating greenhouses and provide the advantages and disadvantages of each.
8. Discuss the different types of ventilation and cooling systems commonly used in greenhouses today.

As you proceed through this lesson, answer the following items. They will help you to focus on the important points in the lesson.

Define the following: greenhouses, greenhouse range, headhouse, attached greenhouse, freestanding greenhouse and connected greenhouse.

What civilizations were the first to utilize greenhouse structures?

Where can greenhouses commonly be found today?

What are four factors that affect the grower's choice when selecting the best size and type of greenhouse?

What are three basic greenhouse design types and three examples of each?

What are the advantages and disadvantages of freestanding and connected greenhouses?

Prior to laying the foundation for a greenhouse, what should be done?

What are the six major structural components of the greenhouse? Provide a function for each.

What is the most important function of a greenhouse covering?

List the four major types of greenhouse coverings and provide several advantages and disadvantages of each.

What are eight criteria to consider when selecting a site for a greenhouse range?

What are three factors to consider when orienting a greenhouse range on a piece of land? What three commonly used types of bench arrangements are found in greenhouses and what are the benefits of each?

What are four types of heating systems used in greenhouses? Provide the advantages and disadvantages of each.

In addition to cooling, what are three reasons to ventilate a greenhouse?

What are four types of ventilation and cooling systems used in greenhouses today? Provide one way to cool a greenhouse without using a cooling system.