1. Questions?

3. Before We Calibrate, We Need To Make a Calibration Kit See pages 32-33

4. Step 1. Collection boxes or pans

5. Step 2. Make baffles using cardstock

7. Step 3. Get some clear tubes

8. Step 4. Get a tube rack

9. Three Components of Rotary Spreader Calibration 1.Check the distribution pattern 2.Determine the effective spread width 3.Calculate the application rate

10. Component One: Step 1. Place collection boxes or pans side- by-side.

11. Component One: Step 1. Place them close together if you are calibrating small granules. Leave room for the tires to pass over the center box.

12. Some fertilizer bags tell you the granule size.

13. Component One: Step 1. Place them 1 foot apart if you are calibrating small granules. Leave room for the tires to pass over the center box.

14. Component One: Step 2. Choose a starting rate.

15. Component One: Step 2. Choose a starting rate.

16. Component One: Step 2. Choose a starting rate.