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商南县地处秦岭南麓,居陕鄂豫三省交界处。全县总面积为2300.7平方公里,山地面积占94.1％。境内沟壑纵横,起伏多变,大部地区海拔存450～800米之间。雨量充沛,气候温暖,年降雨晕(23年平均)为803 .2毫米,年平均气温14.1℃。无霜期216.5天。)10℃积温为4406,2。商南县的油桐分布广,产量高,栽培历史悠久,经济效益显著,已
Shangnan County is located in the southern foot of Qinling Mountains, Habitat Shaanxi, Hubei and Henan provinces at the junction. The county a total area of 2300.7 square kilometers, mountainous area accounted for 94.1%. Vertical and horizontal territory ravines, ups and downs, changing most of the area of 450 to 800 meters above sea level. Rainfall, warm climate, annual rainfall halo (23-year average) of 803.2 mm, the annual average temperature of 14.1 ℃. Frost-free period 216.5 days. ) 10 ℃ accumulated temperature of 4406,2. Tung oil distribution in Shangnan County, high yield, cultivation has a long history, significant economic benefits, has