The Tai Bai mountain, with a summit of more than 4000 m. above sea level is located in central part of Shangi Province of northwestern China. The annual rainfall of this region averages about 850 mm. A cool and humid.climatic condition prevaiLR at the higher altitude of this mountainous area. Vertical zonality of the soil distribution from the mountain foot to the summit ranges as: Drab soil-Brown soil-Podzolic soil-Soddy podzolic soil-Alpine meadow soil. Investigations on the fractional composition and characteristics of the humus of different soil groups reveal the following results.
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罗贤安,李香兰.太白山山地土壤的腐殖质研究[J].土壤学报,1979,16(4):339-351. Luo Xian-an, Li Xiang-lan. INVESTIGATION ON THE HUMUS IN THE MAIN SOIL GROUPS OF TAI BAI MOUNTAIN[J]. Acta Pedologica Sinica,1979,16(4):339-351.