Jan, I don't listen to the KRTH garden program, so I don't know. I have shared some mycorrhizae with Bill Adams and Tom LeRoy, the Harris County Extension agents. They are using it in their tomato trials this spring. You sound like a wonderful gardener. Like you, I'm not a professional, but I like to experiment. Isn't gardening a wonderful stress reliever. To find out about mycorrhizae, email Don Chapman at: don@bio-controls.com and he can fill you in on price, etc. He also has a web site at: http:www.bio-controls.com/ Doreen Howard