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ith the summer heat squarely upon us, this is the time to give a tall glass of iced tea to gardeners . . . and generous amounts of compost tea to our plants.

This tea contains millions of beneficial organisms, and plants love it. All you have to do is fill an old pillowcase with some compost and a few other ingredients, use some simple aquarium pumps to keep everything moving… and let it steep overnight.

Compost tea is truly amazing. It is highly nutritious, adding beneficial bacteria an...