In cutting the trees, cut the limbs off just above the crotch. Then dig down and cut the roots, push the trunk over and then slice it 3" thick. Don't simply stump the tree as the best wood is between the roots and the crotch and you will be indescriminantly cutting through the best of it. Cultivated English for nut production is usually grafted on Claro or Bastogne. This usually causes a burl, which, if over 700 pounds hasa value for veneer.