Soilless Media Quiz

What does "soilless" mean in the context of plant growing media?

• With soil

• Without soil

• With sand

• With clay

Which of the following is NOT an ingredient in soilless media?

• Peat Moss

• Sphagnum Peat Moss

• Clay

• Perlite

What is the main purpose of adding perlite to soilless media?

• Increase weight

• Improve drainage and aeration

• Add nutrients

• Lower pH

Which ingredient in soilless media is known for its high moisture-holding capacity?

• Limestone

• Vermiculite

• Pine Bark

• Perlite

What is an advantage of using soilless media for greenhouse production?

• Heavy weight

• Non-uniform mixture

• Good moisture retention

• High cost

When should seeds be sown prior to planting outdoors after the last frost?

• 1-3 weeks

• 5-12 weeks

• 2-4 weeks

• 10-15 weeks

What temperature range is recommended for providing bottom heat to seeds?

• 50°F - 60°F

• 65°F - 80°F

• 70°F - 90°F

• 60°F - 75°F

What is the purpose of "hardening off" bedding plants?

• To increase growth rate

• To make plants tougher prior to sale

• To enhance flowering

• To improve soil quality

Which method is used for small seeded plants?

• Direct seeding

• Indirect seeding

• Hydroponic seeding

• Aeroponic seeding

What should be used to sterilize flats, work area, and soil before seeding?

• 5% bleach solution

• 10% bleach solution

• 15% bleach solution

• 20% bleach solution