My apologies for not double checking that site address. The reason I sent the pepper information is because the fungi was not listed under the tomato section. Both plants are in the same family and are 99% common. Maybe if Mr. Giannou used a higher phosphor rated fertilizer, the effects mycorrhizal fungi would be less significant. Most Extension agencies recommend a 5-10-10 or 5-20-20 here's 1 (I did double check this url) http://ohioline.ag.ohio-state.edu/hyg-fact/1000/1624.html I have also burned plants with high phosphor, but usually when the rating is over 20. Byron