Ag Apps Unit 3.00:

Which plant-growing medium is a mineral mica-type material?

• Peat moss

• Perlite

• Sphagnum moss

• Vermiculite

Sulfur is used to lower soil pH so that soil will become more:

• Acidic

• Alkaline

• Basic

• Porous

One would likely find peat moss in waterlogged areas called:

• bogs

• creeks

• pits

• ponds

Which plant-growing medium is a volcanic ash material?

• Peat moss

• Perlite

• Soil

• Vermiculite

Soil pH affects the availability of:

• Nutrients in the soil

• structure of soil

• land class of soil

• microbes in the soil

Tags

NGSS.MS-LS1-5

Lime raises the soil pH level so that the soil becomes more:

• Acidic

• Alkaline

• Neutral

• Porous

If a soil pH level is 6.0 and needs to be raised to 7.0, what amendment would you use?

• Sulfur

• Ammonium Sulfate

• Lime

• Magnesium

Which horizon has the greatest impact on crops?

• O horizon

• A horizon

• B horizon

• C horizon

Tags

NGSS.MS-LS1-5

If the pH of your soil reads 7, what does that number represent on the pH scale?

• Acidic

• Alkaline

• Basic

• Neutral

You ALWAYS want to check your soils pH because, improper pH can make:

• Nutrients unavailable for plant use.

• Water unavailable for plant use.

• Chlorophyll unavailable for plant use.

• Glycogen unavailable for plant use.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4