Their economy has been based on wet rice cultivation for at least one thousand years. This system has been characterized "one of the most significant examples of 'agrarian civilizations' in West Africa". However, the Jola probably reached the Lower Casamance region in the 14th century, assimilating the previous Bainuk people and their rice tradition. In colonial times, the Jola began to cultivate peanuts as a cash crop in the drier forests. Other activities include palm wine tapping, honey collecting, livestock rearing and the production of oher crops such as sweet potatoes, yams and watermelon.