I have squished them with my bare hands, blasted the nests open with a power hose, sprayed them with vinegar, burned them alive with a blow torch, and for those that survived all that, drowned them in soapy water. Yes, we are talking about tent caterpillars. Fair warning: this post is not for the faint of heart!
If you want to convert an old orchard to a self-sustaining food forest, start with the SOIL. Billions of creatures can live in a single teaspoon, all connected by miles of fungal mycelium. It’s an entire universe beneath our feet. Prepare to be amazed.