Although Sidoarjo territory is relatively small and densely populated, but primary sector is still maintain a role in Sidoarjo economy. Agriculture is mainly produced in western and south-western part of Sidoarjo mainly Tulangan District, Krembung District, and Balongbendo District. During colonial era, Sidoarjo was famous for sugarcane production and it was hosted several sugar mills owned by Colonial government. After Independence, Indonesia government nationalised all of sugar mills in Sidoarjo. Sugarcane production sector peaked in 70s and gradually declining since then, due to inflows of manufacturing investment and rapid urbanization that reduced sugarcane planting area. Today, agricultural crops that still produced in Sidoarjo are Rice, Banana, Papaya, Cassava, and several lowland vegetables.
