I love using organic mushroom compost as a thick mulch.
In side-by-side comparisons, plants with mushcomp-mulch were far less bothered by disease. Splash-back better? More nutrients? Don't know why, but just know that it worked for me over the 3 years that I had access to some. Container growing has not been as successful in the 2 years since, although some of that
is probably due to other factors.
Enjoy your bounty!!!
Jennifer, who normally has 400+ containers of tomatoes, peppers, eggplants and herbs as well as 2 acres at a friend's farm