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Humic Products Trade Association Test Method
July 2018 – ISO Approves HPTA Test Method as an International Standard

Humic & Fulvic Acids – Standardized Test Method Information

California Department of Food and Agriculture (CDFA) considers switching to the HPTA approved test method
November 2017 – HPTA President Russell Taylor’s CDFA Letter
CDFA Example Letter

National Organic Standards Board (NOSB) Reviews Humic Acids
June 2017 – Letter from HPTA President Russell Taylor 
October 2017 – HPTA members stepped up and their voices were heard!  Thank you!
The NOSB met late October and voted 15-0 NOT to remove humic acid.  This means it WILL remain on the National list of approved products.



International Humic Substances Society – 19th International Conference
September 16-21, 2018
Albena Resort, Bulgaria

Acres  2018 Eco-Ag Conference & Trade Show
December 4-7, 2018
Louisville, KY – USA

HPTA Annual Membership Meeting – Election Year
Wednesday, December 12, 2018
Omni Royal Orleans Hotel
New Orleans, Louisiana – USA
Additional information coming soon


Journal of Soils and Sediments / Humic Products in Agriculture: Potential Benefits and Research Challenges – a Review

Biochar and Humic Substances: A Comparison


HPTA Board Meetings: Teleconferences are generally held the second Tuesday of the month at 2 p.m. Central time.
Upcoming meeting: Monday, September 10th, 2018 – 2:00 pm CT.

November 15, 2010,  HPTA Formation

Humic Products Trade Association Newsletters
Spring 2018
Spring 2017
Summer 2016
Summer 2015
December 2013
February 2013
September 2012
April 2012

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