Soil, Growing Media, Hydroponics

Which of the following are not true about the pH in your soil or growing media?

• the wrong pH doesn't allow plants to uptake required nutrients

• a low pH is acidic

• the pH affects how much water the plants can uptake

• plants prefer a pH near neutral

Air and water fill pore spaces and typically make up a combined ____% of soil.

• 50%

• 25%

• 75%

• 33%

What growing media is pictured here?

• Perlite

• Vermiculite

• Rock Wool

• Peat Moss

What growing media is pictured?

• Perlite

• Vermiculite

• Coir

• Peat Moss

A mixture of sand, silt and clay create a:

• loam

• sandy clay

• sandy clay loam

• poor texture

Hydroponics utilize soil to grow plants.

• True

• False

What type of hydroponic system is this?

• NFT

• Dutch Bucket

• Raft/Floating

• Drip

What is the most common hydroponic system utilized by growers? (Hint: aerates the nutrient solution as it flows)

• Continuous Flow

• Raft System

• Dutch Buckets

• Aeroponic

What hydroponic system waters plants with a mister?

• Continuous Flow

• Aeroponic

• Aggregate System

• Raft System

Neutral pH

• 7.0

• 6.5

• 7.6

• 12