Live Fencing

Also referred to as a green fence or hedge, a live fence is made of living shrubs or trees, usually built around agricultural fields or homestead areas as a barrier to prevent the entry of harmful pests or predators. A live fence is the most productive form of a barrier unlike fences made using mud, bricks, bamboo or barbed wire. Some of the common species of fodder crops / trees used for fencing comprise sesbania, subabul, gliricedia, willow etc. (Source - permaculturenews.org)