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1 渭河上游河谷地及黄土高原半干旱、半湿润区 该区为欧洲种及欧美杂种栽植适宜区。指山西大同以南桑干河谷地及侯马市以北的汾河谷地;陕西长城沿线以南(陕北地区)至铜川的黄河支流定河、延河、洛河的中
1 The Upper Weihe River Valley and the Semi-arid and Semi-humid Loess Plateau The area is suitable for European and European hybrid planting. Refers to the south of Shanxi Datong Sanggan valley and Houma City north of the Fen River Valley; Shaanxi Great Wall along the south (northern Shaanxi) to the Tongchuan tributary of the Yellow River, Yan River, Luo River