Chapter 18 - Greenhouse Operations and Maintenance #2

Front

What is an Uneven Span greenhouse?

Back

A greenhouse design commonly used on a slope or area with reduced daylight, where the short side of the roof is on the upper side of the grade.

Front

Describe a Quonset greenhouse.

Back

A greenhouse with a semicircular arch roof that begins at ground level, featuring no gable or supporting posts.

Front

What are Water Trays used for in greenhouse operations?

Back

They collect water under each plant from overhead watering, reducing runoff and allowing for later water absorption.

Front

What are Vents in a greenhouse?

Back

Parts of the greenhouse that can be opened to release built-up heat, reduce condensation, and improve airflow.

Front

What is the main disadvantage of Overhead Sprinklers?

Back

They tend to waste water and wet foliage, as the nozzles have a circular overlapping pattern and water from above.

Front

What is the purpose of Louvers in a greenhouse?

Back

Louvers are adjustable openings that help control airflow and temperature within the greenhouse.

Front

Define Drip Irrigation.

Back

A method of watering plants that delivers water directly to the base of each plant, minimizing water waste and evaporation.

Front

What is the function of Shutters in greenhouse operations?

Back

Shutters are used to cover openings in the greenhouse to control light and temperature.

Front

Explain the concept of Ridge and Furrow greenhouses.

Back

A greenhouse design that consists of multiple connected structures with a ridge at the top and furrows in between, allowing for efficient space use.

Front

What is the significance of proper greenhouse ventilation?

Back

Proper ventilation helps maintain optimal temperature and humidity levels, preventing plant stress and disease.