竹山县位于秦巴山区,正处我国南北气候过渡地带,境内水源丰富、四季分明,夏无酷暑、冬无严寒,几乎无工业环境污染,是发展无公害水稻的理想场所。但由于山区海拔高差悬殊,气候、土壤、水源条件、栽培技术等差异较大,因而所产稻米品质差异甚大:有的区域所产稻米品质一般,有的区域却由于所处环境极为特殊,所产稻米品质极优。例如竹山县柳林乡观音塘村、秦古镇白泥垭村所产稻米品质就明显优于其他稻 Zhushan County is located in the Qinling-Bashan Mountains, is at the transitional climate zone between North and South China, rich in water resources, four seasons, no summer heat, cold winter, almost no industrial pollution, is the ideal place for the development of pollution-free rice. However, due to the great difference in elevation of mountainous areas, there are great differences in the quality of rice produced due to large differences in climate, soil, water conditions, cultivation techniques, etc. In some areas, the quality of rice produced is generally high. In some areas, The quality of rice produced is excellent. For example, Guanyin Village, Liulin Township, Zhushan County, and the quality of rice produced in Baishaya Village, Qin Ancient Town, are obviously superior to other rice