Alternative almond orchard removal

In a study at the UC Kearney Agricultural Research and Extension Center, whole almond trees were ground up and incorporated into the soil before replanting trees. Read about the research in the UC Green Blog: ucanr.edu/?blogpost=16603&blog...

[@andreafreeland3422]

Would this work on Black Walnut tree orchards? How much would it cost to get service for 9 acres?