Greenhouse

Front

What is the most critical environmental factor of greenhouse plant production? Options: Temperature, Light Intensity, Humidity, Bottom Heat

Back

Light Intensity

Front

Which of the following is a principal type of heating systems used in greenhouse production? Hot water tubes, Electric cables, Steam or hot water, All of the above

Back

Steam or hot water

Front

Which of the following is a method used to provide bottom heat?
Options: Unit heater with a fan, Electric heating pad, Radiant heaters, All of the above

Back

Electric heating pad

Front

_____ is a technique where water-soluble fertilizers can be applied through irrigation systems.

Back

Fertigation

Front

For what kinds of crops might a manager choose to use carbon dioxide supplementation? Low value crops, High value crops, All crops, None of the above

Back

High value crops

Front

Which of the following is a principal way of decreasing light intensity in the greenhouse? Saran, Windows, Shading compound, Both A and C

Back

Both A and C

Front

____ emit infrared radiation, which heats only those objects in its path.

Back

Radiant heaters

Front

_____ are used to control mist systems.

Back

Automatic time clocks

Front

Adding _______ can cool the greenhouse and raise the relative humidity.

Back

Fog

Front

_____ ventilation allows warm air to escape while drawing in fresh, cooler air.

Back

Passive