The Rotary Spreader Calibration bulletin can be used to answer your questions about fertilizer calibration and lead you through a step-by-step process to successfully calibrate your rotary spreader.

Rotary spreader calibration educational bulletin now available

Having trouble calibrating your rotary spreader? The Rotary Spreader Calibration bulletin can be used to answer your questions about fertilizer calibration and lead you through a step-by-step process to successfully calibrate your rotary spreader. A worksheet has also been provided in the bulletin to help lead you through the calculations.