4ILLMER P,SCHINNER F.Solubilization of inorganic calcium phosphates-solubilization mechanisms[J].Soil Biology and Biochemistry,1995,27(3):257-263.
5WALLANDER H,FOSSUM A,ROSENGREN U,et al.Ectomycorrhizal fungal biomass in roots and uptakeof P from apatite by Pinus sylvestris seedlings growing in forest soil with and without wood ash amendment[J].Mycorrhiza,2005,15(2):143-148.
