1. Group questions about fertilizers

2. 1) A fertilizer is any material that is used to supply a plant with one or more ____________. 2) What 3 fertilizers are always shown in an analysis on a fertilizer bag? 3)Give an example of a complete fertilizer analysis.

3. HOW MATH APPLIES TO THE REAL WORLD!!! 4)You have a 100 lb. bag of 10-6-4 fertilizer. That would mean you have 10 lbs of N, 6 lbs of P and 4 lbs of K. Now what if you only had a 50 pound bag of this same fertilizer. How much N, P and K would you have?

4. 5)Now, let’s say you need to fertilize 5,000 square feet of lawn. You are using a fertilizer called Ammonium sulfate which is 20% nitrogen and have been told to fertilize the lawn at a rate of 1 pound of actual nitrogen per 1,000 square feet. How many pounds of ammonium sulfate do you need of 4-8-12?

5. 6)How many pounds of actual nitrogen would be in 1 ton of 8- 8-8 fertilizer? 7) How many lbs. of primary macronutrients are in 100 pounds of 4-8-12?