Week 10

This nutrient creates lush green growth, and overapplication can delay flowering and fruiting

• nitrogen

• phosphorus

• potassium

Where is the majority of soil nitrogen found?

• minerals

• soil water

• adhered to soil colloids

• organic matter

What are sulfur-coated ureas?

• a slow release phosphorus fertilizer

• A slow release nitrogen fertilizer

• a slow relase sulfur fertilizer

• an organic fertilizer from manure

Osmocote is an example of:

• a liquid fertilizer

• a quick release fertilizer

• a slow-release fertilizer

• a sulfur coated urea

A 46-0-0 is (check all that apply)

• high potential for burn if applied incorrectly

• 46% nitrogen

• an organic fertilizer

• A mineral fertilizer

Phosphorus is mined from rock

• True

• False

Organic fertilizers rely on bacteria to make the nutrients available over time

• True

• False

What deficiency is shown here?

When nutrients like nitrogen and phosphorous get into bodies of water and cause excessive algae growth, that is called:

What nutrient affects drought tolerance and the opening and closing of stomata?

• Nitrogen

• Phosphorous

• Potassium

• Iron