Economically the province is dominated by peanut cultivation, which is operated primarily in the Saurimo area. In the south of the province maize production is major contributing factor. Other agricultural products include rice, cassava and cereals. This region is rich with diamonds, manganese and iron which are exploited; Catoca mine in Lunda Sul Province is the fourth largest diamond mine in the world. Due to warfare in the region, at times mining has been disrupted by attacks form the UNITA, especially in 1999-2000.