Summary: Much of the work Allen is doing with holistic land management started with the desertification of land. Desertification is land degradation in a form so extreme that it creates desert. He noticed that the areas where the land was healthiest was where there was livestock grazing, contrary to the belief that heavily grazing livestock with cause the land degradation. The soil plant an animal life had to co-evolve, so it wasn't the animals ruining the land but poor land management. Allen, along with farmers and rancher in the area, began to experiment with grazing animals and came up with a plan for holistic land management. Since it was devised, his plan has helped farmers all over the world, and, as long as people follow the process exactly, he can almost guarantee the results they will see.
