商南县
1.The Songsugou peridotite in Shangnan, Shaanxi Province is an important but petrogenetically debated ultramafic massif in the Qinling orogenic belt.
2.Two-year-old seedlings of Pinus tabulaeformis were inoculated with three kinds of Ectomycorrhiza fungi inoculum,Suillus bovines,S. luteus and Boletus luridus.

