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云南位于我国西南边陲,在北纬21～29°,东经97～106°之间,在横断山脉及其以东地带,由西北向东南倾斜,中部哀牢山南北走向,将全省分为东西两半,地势地形错综复杂,热带至寒带气候均有。农业耕作区从海拔80米(河口县)到海拔3600米(德钦县),高差3500米,温差约25℃,纬度相差8°,温差19℃,具有立体农业的特点。在复杂的自然生态条件和耕作栽培条件下,
Located in the southwestern margin of China, Yunnan is between north and south at 21-29 ° and longitude 97-106 °. It sways from northwest to southeast in the Hengduan Mountains and east of it. Yunnan is divided into east and west Semi-terrain, terrain and complex, tropical to boreal climate. Agricultural farming area from 80 meters above sea level (Hekou County) to 3600 meters above sea level (Deqin County), elevation 3500 meters, the temperature difference of about 25 ℃, latitude difference of 8 °, temperature 19 ℃, with the characteristics of three-dimensional agriculture. In the complex natural and ecological conditions and cultivation and cultivation conditions,