Tonnage Surveys

Tonnage Surveys

These reports present the findings of surveys conducted by the American Herbal Products Association (AHPA) to quantify annual harvests of certain North American herbs in commerce.

2006–2010 Tonnage Survey of Select North American Wild-Harvested Plants

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This fifth AHPA harvest survey report includes quantifications of harvests from 2006 to 2010 for 26 botanical commodities derived from 22 plant species, including a number of high-volume herbal commodities.

2004–2005 Tonnage Survey of Select North American Wild-Harvested Plants

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2004–2005 Tonnage Survey of Select North American Wild-Harvested Plants

2002–2003 Tonnage Survey of Select North American Wild-Harvested Plants

AHPA PDF Publication

2002–2003 Tonnage Survey of Select North American Wild-Harvested Plants

2000–2001 Tonnage Survey of Select North American Wild-Harvested Plants

2000–2001 Tonnage Survey of Select North American Wild-Harvested Plants

2000–2001 Tonnage Survey of Select North American Wild-Harvested Plants

1999 Tonnage Survey of Select North American Wild-Harvested Plants

1999 Tonnage Survey of Select North American Wild-Harvested Plants

1999 Tonnage Survey of Select North American Wild-Harvested Plants
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