铜川市位于陕西省中北部,陕北黄土高原南缘,境内地形、地貌结构复杂,山、塬、梁、峁、沟谷、河川均有分布,西部和北部是广阔的山区,中部和东部是地势起伏不平的沟原相间的残原区,南部是地势较平的台原区。受大陆性季风气候影响,四季分明,年平均气温为8.9~12.3℃,由东南向西北呈递减趋势,整体特点是:冬冷夏热,春季升温较快,秋季降温迅速,气温日较差及昼夜温差大。下辖王益区、耀州区、印台区、铜川新区和宜君县,辖区内总面积3 882km2,9个土类,以黄绵土、褐土、黑垆土为主,其面积 Tongchuan City is located in the north-central part of Shaanxi Province and the southern margin of the Loess Plateau in northern Shaanxi. The terrain and geomorphic structure are complex in the terrain. The mountain, plateau, beam, ridge, valleys and rivers are all distributed. The western and northern parts are vast mountainous areas. Uneven groove ditch original phase of the remnants of the area, the southern flat terrain is relatively flat area. Affected by the continental monsoon climate, the four seasons are distinct with an annual average temperature of 8.9-12.3 ℃, decreasing from southeast to northwest. The overall characteristics are as follows: cold in summer and hot in summer, rapid warming in spring, rapid fall in autumn, poor day temperature and day-night temperature difference Big. Under the jurisdiction of Wangyi District, Yaozhou District, Yintai District, Tongchuan New District and Yijun County, the jurisdiction covers a total area of ​​3,882km2 and 9 soil types, mainly dominated by loessial soil, cinnamon soil and black loam soil, and its area