Acta Agrestia Sinica
Effect of Grassland Degradation on Arbuscular Mycorrhizal Symbiosis of Leymus Chinensis(Trin.) Tzvel. in Typical Steppe
WU En, LI Chong-xiang, ZHANG Yu, WANG Cong-ming, YUN Jin-feng
. 2009, (6): 731 -734 .  DOI: 10.11733/j.issn.1007-0435.2009.06.007