Visual Reference Library - Other Factors

Grain containing four or more pieces of material suspected of being commercial fertilizer (FSUB), shall be graded Sample Grade or distinctly low quality as the case may be.
NOTE: Commercial fertilizer varies from fine granular material to larger pellets than shown and therefore, are not limited to the types shown.

The visual reference images can be downloaded from our eBook Page. Information for purchasing printed copies of the visual references can be found on our Merchandise Page.

Last updated December 2016