Introduction to Hydroponics

Which of the following is NOT utilized by hydroponics?

• soil

• water

• sunlight

• nutrients

What are two benefits of using hydroponics?

Which of the following was NOT mentioned as a macro-nutrient?

• nitrogen

• boron

• potassium

• sulfur

______________ and _____________ is provided to hydroponic plants by artificial growth mediums.

• nutrients and water

• nutrients and stability

• support and water

• support and stability

Which specialty plant is suitable for hydroponic production?

• trees

• shrubs

• fruits

• cacti

The hydroponic industry values at ____________ billion dollars.

• four

• six

• eight

• ten

__________________ are nutrients needed by plants in small quantities.

• micro-nutrients

• limited nutrients

• surplus nutrients

• slight nutrients

Choose all that apply: What are the elements that must be provided in an aquaculture system?

• plant support above the nutrient solution

• aeration for the solution

• utilize flooding techniques

• prevention of light reaching the solution to reduce algae growth