西部地区土地资源丰富,地域辽阔,大气、水、土壤等环境状况要明显优于开发较早、开发程度较高的东、中部地区。更为重要的是,西部农村劳动力价廉而丰富。据香港某权威机构统计分析:西部地区农业劳动力平均成本仅为东部地区的1/4～1/3,为中部地区农业劳动力成本的1/3～1/2。西部地区农村劳动力占当地人口的比例也比东、 The western region is rich in land resources and has a vast territory. Its environmental conditions such as atmosphere, water and soil are obviously superior to those in the eastern and central regions that were developed earlier and developed higher. More importantly, the western rural labor force is cheap and rich. According to the statistics of an authority in Hong Kong, the average cost of agricultural labor force in the western region is only 1/4 ~ 1/3 of that of the eastern region, accounting for one-third to one-half of the agricultural labor force cost in the central region. The proportion of rural laborers in the western region to the local population is also higher than that of the east.