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云南地处我国西南边疆 ,位于北纬 2 1°9′～ 2 9°1 6′、东经 97°3 2′～ 1 0 6°1 2′。境内山地占总面积的 84%,高原盆地占 1 0 %,坝子和河谷仅占 6%。由于地势地貌错综复杂 ,光、温、水等气候要素的水平地域差异和垂直地带上的纵向差异显著 ,具有“立体气候”和“立体农
Yunnan is located in the southwestern frontier of our country, at latitudes 21 ° 9 ’-2 29 ° 16’ and longitude 97 ° 32 ’~ 106 ° 12’. The territory of mountainous area accounts for 84% of the total area, plateau basin accounts for 10%, dam and valley only 6%. Due to the intricate terrain and physiognomy, the horizontal and vertical differences of climatic elements such as light, temperature and water are significant and vertical differences are significant. They have the characteristics of “three-dimensional climate” and "three-dimensional agriculture