Plant Nutrition Quiz

A plant’s leaves will often turn yellow if the plant does not get enough nitrogen.

• True

• False

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Phosphorus is very immobile in the soil.

• True

• False

When properly applied, solid and liquid fertilizers perform equally well.

• True

• False

Erosion is important in agriculture because it removes the B horizon.

• True

• False

When lowering soil pH, materials used are sulfur, lime, and iron sulfate.

• True

• False

There are 10 pounds of _____ in a typical 100-pound bag of 5-10-15 grade fertilizer.

• Lime

• Total nitrogen

• Soluble potash

• Available phosphate

If green plants show a _____ color, this indicates a nitrogen deficiency.

• Yellow

• White

• Dark green

• Purple

• Red

To aid in moisture retention, _____ matter is added to the soil because it holds many times its own weight in water.

• Nitrogen

• Ash

• Mulch

• Organic

What percentage of a plant’s weight does water make up?

• 90%

• 10%

• 50%

• 25%

Organic matter that has completely decomposed and is more or less stable with the soil environment is called:

• Lime

• Compost

• Humus

• Macronutrients

• Micronutrients

Tags

NGSS.MS-LS2-3