Causes and Countermeasures of Low-output Walnut Orchards in Hilly Areas of Central Sichuan

More and more low-output walnut orchards were found through extensive investigation in hilly areas of central Sichuan. By analysizing survey data, the main reasons of low output of walnuts in this climate area included mixed varieties, maggy conditions, severe diseases and pests, poor management and lack of management. In order to increase the output of walnuts and make the walnut industry become a new economic growth point, in this paper some countermeasures were put forward, such as improving management awareness, promoting local varieties, establishing demonstration area and improving the processing techniques.