Questions?

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

Step 1. Collection boxes or pans

Step 2. Make baffles using cardstock

Step 3. Get some clear tubes

Step 4. Get a tube rack

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

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

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.

Some fertilizer bags tell you the granule size.

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.

Component One: Step 2. Choose a starting rate.

Component One: Step 2. Choose a starting rate.

Component One: Step 2. Choose a starting rate.