Iowa Administrative Code
Agency 21 - AGRICULTURE AND LAND STEWARDSHIP DEPARTMENT
Chapter 43 - FERTILIZERS AND AGRICULTURAL LIME
Rule 21-43.24 - Product claims
Universal Citation: IA Admin Code 21-43.24
Current through Register Vol. 46, No. 19, March 20, 2024
Product claims may be substantiated by one of two methods:
(1) efficacy testing; or
(2) substantiation of data relevant to Iowa crops and soils. Efficacy testing and substantiation shall be Cornpleted when requested by the department to support claims made for fertilizer and soil conditioner that is sold, distributed or offered for sale in Iowa. Documentation substantiating product claims by efficacy testing shall contain the following information:
1. All guaranteed
ingredients must be identified and indicated by percentage.
2. State the crop or soil response being
measured.
3. The research facility
and investigators conducting the trials.
4. Dates and locations of trials.
5. The trials must be conducted, utilizing
the principles of experimental design and methods consistent with those in
agricultural research. This involves raw data from proper treatment selection,
replication and randomization in such a manner that statistical analysis of
data is possible.
6. Exclude
consumer testimonials.
This rule is intended to implement Iowa Code sections 200.5 and 200.14.
Disclaimer: These regulations may not be the most recent version. Iowa may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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