 After this, Chen Yuanguang established order among the various hamlets, built fortresses, trained troops, and pacified the border areas.As a result, the entire area, from Quanzhou in the north to Chaozhou in the south, and from Ganzhou in the west to the islands in the Taiwan Strait, became stable and prosperous.He then introduced advanced farming and production techniques to the area, and oversaw the planting of economically sound crops such as rice, flax, sugarcane, bananas, litchis, longan and flowers.