Getting Rip and Cross Rip to Get Rid of Tree Roots

In an area that has been forest if it goes into grape vines, it's always a big problem. You typically have to remove every trace of tree root that you can. That means ripping and cross reaping as deep as you can go. But even then, you've got these native trees that are adapted to a dry summer. Their roots go way, way, way down here. And they will eventually die, but it can take six or seven years sec to die.