Wisconsin Administrative Code
Department of Agriculture, Trade and Consumer Protection
ATCP 20-54 - Agricultural Resource Management
Chapter ATCP 40 - Fertilizer And Related Products
Subchapter II - Fertilizer
Section ATCP 40.16 - Fertilizer sampling and analysis
Current through November 25, 2024
(1) SAMPLING METHODS. The department may collect official fertilizer samples to determine compliance with plant nutrient guarantees. The department shall collect official samples using applicable methods from the Inspection Manual of the Association of American Plant Food Control Officials, 8th edition (2009).
Note: The Inspection Manual of the
Association of American Plant Food Control Officials, 8th edition
(2009) is on file with the department and the legislative reference bureau.
Copies are available from the treasurer of the Association of American Plant
Food Control Officials, Inc., North Carolina Department of Agriculture, P.O.
Box 33508, Raleigh, NC 33636-3508, or online at
(2) TEST METHODS. The department may test official fertilizer samples to determine compliance with nutrient guarantees. The department shall test official samples using applicable methods from the "Official Methods of Analysis of AOAC International," 20th edition (2016).
The "Official Methods of Analysis of AOAC International," 20th edition (2016) is on file with the department and the legislative reference bureau. Copies are available from AOAC International at 481 N. Frederick Ave., Suite 500, Gaithersburg, MD 20877-2417.