一、西北地区产业结构目前存在的主要问题 　　1产业之间的发展比例不协调 　　⑴农业发展落后。虽然绝大多数西部省区的农业产值在国内生产总值中占有较大的比重，但西北农业的实际发展水平却是非常落后的。目前很多地方的粮食不能自给，植树造林的面积增长缓慢，草场和耕地 First, the main problems existing in the industrial structure in the northwest region 1 Incomparable ratio of development among industries ⑴ Agricultural development lags behind. Although most of the western provinces and autonomous regions have a large share of agricultural output in their GDP, the actual level of development of Northwest agriculture is very backward. At present, the food in many areas can not be self-sufficient, and the area of ​​tree planting and afforestation is growing slowly. Pastures and cultivated land