Greenhouse Test 3 Review

Which best describes a macronutrient?

• A nutrient needed in small amounts

• A nutrient needed in trace amounts

• A nutrient needed in high amounts

• A nutrient not needed at all

Which best describes a micronutrient?

• A nutrient needed in small or trace amounts

• A nutrient needed daily

• A nutrient needed in high amounts

• A nutrient not needed at all

Which of the following is NOT one of the macro nutrients needed by plants daily?

• Potassium

• Phosphorous

• Nitrogen

• Calcium

Which definition best describes a growing medium/media?

• Helping plants grow to a medium height

• Providing a medium amount of nutrients

• It refers to what you plant your plant in to

• It refers to the type of fertilizer

What is organic matter?

• Anything made from something that was never living

• Anything made from something that once was living

• Anything that is a mineral

• Anything that is healthy for a plant

Which growing medium would have the most organic matter in it?

• Soilless/potting mix

• Clay beads

• Stonewool

• Natural dirt

What is pinching off stems?

• Pinching leaves so they get bigger

• Pinching off the top of stems to encourage branching

• Pinching off flower petals that are wilting

• Pinching the roots to prevent too much growth

What does the three number combination on fertilizer represent?

• The ratio of phosphorous to nitrogen to potassium

• The ratio of nitrogen to calcium to phosphorous

• The ratio of nitrogen to phosphorous to sulfur

• The ratio of nitrogen to phosphorous to potassium

If a fertilizer had a combination of 10-12-10, what can we infer?

• There is more nitrogen in this fertilizer

• There is more phosphorous in the fertilizer

• There is more potassium in this fertilizer

• There is more sulfur in this fertilizer

What is the top layer of natural dirt called?

• Surface soil

• Bedrock

• Subsoil

• Substratum