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This publication explains the weight-area method, one of the two methods in which solid or semi-solid applicators can be calibrated. Proper calibration is required by law.
This publication provides a step-by-step description of how to use the gravimetric method to calibrate soil-water measuring equipment.
This publication explains calibration procedures for stationary and hard-hose traveler irrigation systems and how to determine acceptable application uniformity for the systems as established by the ninth and latest edition of the SB 1217 document (North Carolina 1217 Interagency Group, 2009). It does not invalidate the procedures (commonly referred to as the “catch can” method) described in AG-553-1 and AG-553-2 if operators want to use those for uniformity assessment. However, AG 553-1 and AG 553-2 do not fulfill the flow measurement calibration requirements currently established by the ninth edition of the SB 1217 document.
This publication explains the load-area method, one of the two methods in which semi-solid animal waste applicators can be calibrated. Proper calibration is required by law.
