Fertilizer

Potassium's symbol is a?

• K

• Na

• Mg

Phosphorus's symbol is a?

• L

• P

• Ph

What is another name for trace minerals?

• primary nutrients
• macro nutrients
• micro nutrients
• secondary nutrients

What is fertilizer?

• nutrients added to the soil

• nutrients already in the ground

• nutrients depleted from the ground

• food for plants

Which of the following nutrients would not be a micro nutrient?

• Molybdenum
• Calcium
• Zinc
• Boron

A complete fertilizer is made from

• N P K
• Ca Mg S
• C H O
• All of these

If you purchased a 10 pound bag of fertilizer with analysis 5-10-10.  What percent of phosphate is in the bag?

• 5%
• 10%
• 15%
• 25%

Most commercial fertilizers have ____ numbers on the front label.

• 3
• 4
• 1
• 5

A fertilizer analysis is a 

• poundage of each amount of fertilizer
• poundage of each element
• percentage of each element
• ounce of each element

If you purchased a 10 pound bag of fertilizer with analysis 5-10-10.  How many pounds of phophates are in this bag?

• 10 lbs
• 5 lbs
• .5 lbs
• .1 lbs