川中丘陵区坡坎资源数量可观，总计面积５１－２３ 万ｈｍ２ ，开发利用前景广阔，具有显著的固土护埂、改良土壤、促进产品多样化及增加农业收入等生态功能与经济效益。 There are a large number of slope ridge resources in the hilly area of ​​Central Sichuan, with a total area of ​​51-2300 hm2. The development and utilization of the ridge resources are promising. They have significant ecological benefits and economic benefits such as retaining soil and protecting soil, improving soil, promoting product diversification and increasing agricultural income.