Hydroponics/ Aeroponics

Identify an advantage of hydroponics.

• Less electricity

• More efficient use of land

Aeroponics is more efficient than hydroponics.

• True

• False

Who were the first people to experiment with hydroponics?

• British

• Hopi Indians

• English

• Aztec Indians

Who was the first person to experiment with how plants obtained their nutrients?

• John Woodward

• Julius Von Sachs

• William Geriche

• Freddy Krueger

Identify one of the essential macro-nutrients for plant growth?

• Sulfur

• Hydrogen

• Carbon Dioxide

• Nitrogen

Who grew plants hydroponically under laboratory type conditions?

• John Woodward

• Julius Von Sachs

• John Gilmore

• William Gericke

Identify two disadvantages of hydroponics?

• Complex technology

• Controlled watering

• Decreased lighting

• Insect infestations

Who is the American among this group?

• William Gericke

• Julius Von Sachs

• John Woodward

• Amerigo Ves Puchi

How tall of tomato plants did William Gericke grow?

• 10 foot

• 17 foot

• 25 foot

• 8 foot

Identify the macro-nutrients in terms of how they appear on a bottle?

• P-K-N

• Nitrogen- K- Sulfur

• Nitrogen, Phosphorus, Potassium

• Sulfur, Hydrogen, Magnesium