Hydroponics Flashcard

Front

What is the simplest form of hydroponic systems?

Back

Passive system.

Front

Which of the following is NOT a vegetable: Onion, Corn, Lettuce, Cantaloupe?

Back

Cantaloupe.

Front

Are liquid systems open systems?

Back

False.

Front

What is the process of circulating air throughout a substance called?

Back

Aeration.

Front

What risk requires aggregate systems to remain dry when not flooded?

Back

Algae.

Front

Define hydroponics.

Back

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

Front

What is an aeroponic system?

Back

A type of hydroponic system where plants are grown in air or mist environment without the use of soil.

Front

What is the role of nutrients in hydroponics?

Back

Nutrients provide essential elements for plant growth, including nitrogen, phosphorus, potassium, and trace minerals.

Front

What is the difference between passive and active hydroponic systems?

Back

Passive systems rely on gravity and capillary action, while active systems use pumps to circulate nutrients.

Front

What is the importance of pH in hydroponics?

Back

pH affects nutrient availability; optimal pH for most hydroponic crops is between 5.5 and 6.5.