Unique mechanism that use natural products that are available in different parts of the world, including the Jatropha plant. which have an impact on reducing the impact of pests of agricultural crops ( natural balance) by getting rid from the scourge of Sousse palm and other benefits in the air purification and the production of biofuel. In the event we will display a prototype of the Jatropha plant and display a study on the the optimum Jatropha farm design and its mechanism on order to get best results