RA-PHP Monthly Membership

Plant Health Pyramid Course

Learn about the different physiological processes that provide both passive immunity and active resistance responses at different levels of plant health. You will learn how to manage nutritional balance to produce complete pest resistance.

The plant health pyramid is a diagram John developed to describe how plants can become resistant to different groups of pests at different levels of health.

This course will be available immediately after purchase.

The cost of the course includes one month access and then ongoing fee of $8.00 per month.* Courses never expire but require a an active membership to view.
* You can pause your subscription at any time.