Zigong is a prefecture-level city in Sichuan Province, located in the south of Sichuan Basin. Longchang and Lu Xian in the east, Luzhou and Yibin in the south, Qianwei and Jingyan in the west and Renshou, Weiyuan and Neijiang in the north; The tectonic system is Tai 'ao in Sichuan, Taigong in central Sichuan and Zigong Depression in Huaihe River in Yangtze River. It belongs to subtropical humid monsoon climate.
land resources
Under the comprehensive action of specific climate, topography, parent material, biology and human beings, the soil in Zigong City has formed 5 soil types, 9 subtypes, 25 soil genera and 70 soil species.
High yield soil accounts for 33.5%, middle yield soil accounts for 42.6%, and low yield soil accounts for 23.9%; Purple soil accounts for 50. 1%, paddy soil accounts for 34.6%, newly accumulated soil accounts for 0.9%, yellow loam accounts for 13.7%, and black stone lime soil accounts for 0.7%.