Incorrect. As the OP post shows, if you cut down a 300 year old tree it won't cure the same as a young-cut SPF piece of wood. It simply can't - it's effectivel

Incorrect. As the OP post shows, if you cut down a 300 year old tree it won't cure the same as a young-cut SPF piece of wood. It simply can't - it's effectively not the same material. Just in terms of growth rings, wood density, heartwood content, etc.