Chapter 20 - Twenty-First Century Horticulture #2

Front

What is the process of removing dead or old plants called?

Back

Culling

Front

What is the name of the tank where fish are raised?

Back

Rearing tank

Front

What hydroponic method circulates a thin, constant stream of liquid nutrient solution over plant roots?

Back

Nutrient film technique (NFT)

Front

What is a media used to cultivate plants in a hydroponic system called?

Back

Aggregate

Front

What is the unit that catches waste and filters suspended solids in aquaculture?

Back

Settling basin

Front

Define 'Hydroponics'.

Back

A method of growing plants without soil, using mineral nutrient solutions in an aqueous solvent.

Front

What is the purpose of a 'Wick system' in hydroponics?

Back

To deliver nutrients to plants using a wick that draws nutrient solution from a reservoir.

Front

What does 'Ebb and flow system' refer to in hydroponics?

Back

A system that periodically floods the plant roots with nutrient solution and then drains it away.

Front

What is 'Drip system' in hydroponics?

Back

A method that delivers a slow, steady supply of nutrient solution directly to the plant roots.

Front

What is the role of 'aggregate' in hydroponics?

Back

To provide support and aeration for plant roots in the absence of soil.