Workshop: Principles of Biological Systems


This two-day course provides an overview of the principles and practices of biological farming. Our goal is to build upon your knowledge and experience to find ways to increase the health of your soil and crops for greater yields, healthier produce and better marketability. Nearly 2,500 growers have attended the course over the past six years; our attendance continues to grow thanks to word-of-mouth promotion of the course by previous attendees!

Participation-based with questions and answers, the workshop is designed for farmers, growers, and gardeners of any type to learn current research and proven methods, and go step-by-step through the processes that will lead to optimum crop health and sustained yield.

Course Instructor: Dan Kittredge
Executive Director of the Bionutrient Food Association, Dan is the son of prominent leaders in the organic movement, and has been an organic farmer since childhood. His experience managing organic farms and developing sustainable agriculture techniques has connected him to farmers in Central America, Russia, India and the United States. Dan is passionate about raising the quality of nutrition in our food supply through collaboration with committed individuals, businesses, and organizations that support the value of people growing and eating really good food.

Workshop Description

The workshop is designed to help participants grasp and apply innovative, reliable principles and practices for producing healthier, better tasting food crops. The course (click here for detailed syllabus) begins with an analysis of participants' soil tests, and a discussion of recommended soil amendments and cover crops to address soil health deficiencies. We follow with a number of topics and themes related to helping plants achieve their full genetic potential through management of the environmental factors of soil, air, water, minerals and biodiversity. In day two, we immerse ourselves further with a review of plant nutritional needs by growth stage and an array of troubleshooting and diagnostic approaches to guide you throughout the growing season.

Each session consists of a classroom-style discussion and illustrative examples. Registrants are asked to procure their own soil tests prior to the course, and instructions for interpreting those will be covered during the workshop.

Locations & Dates

Note: We're now in the process of scheduling new workshops for Winter 2017 through Spring 2018 - let us know if you are interested in helping organize a workshop near you!  Please reach out to BFA Course Administrator, Gary Neves to inquire about scheduling a workshop in your community.


Chicago at Center for Green Technology  (map)
December 9 & 10, 2017


Middletown at Community Health Center  (map)
January 6 & 7, 2018


January 20 & 21, 2018

More workshops being added soon as details are finalized.

Recent Courses (2016-2017 )


Ann Arbor, MI at Michigan State University Extension Classroom
November 12 & 13, 2016


Montpelier, VT at City Hall, Memorial Room
January 7 & March 18, 2017


Lewes, DE at The Net House
February 5 & 6, 2017

New York

Bedford Hills, NY at Westchester Land Trust
February 12 & March 19, 2017


Richmond, VA at CreateSpace
February 18 & 19, 2017


Pomona, CA at The Growing Club
February 25 & 26, 2017

Sebastopol, CA at Permaculture Skills Center
March 4 & 5, 2017

Ukiah, CA at Yokayo Ranch
April 4 & 5, 2017

North Carolina

Mills River, NC at Living Web Farms
April 8 & 9, 2017

New Jersey

Hillsborough, NJ at Duke Farms
May 6, 2017

Registration Costs

The cost of the workshops is $200 for the two sessions, and $175 for BFA members whose status is current. Not sure about your BFA membership status? Check here.

Sign up online Click here to register today
Mail-in registrationOr click here to mail in your registration with a check or money order.