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title = {{Tree Species Effects on Calcium Cycling: The Role of Calcium Uptake in Deep Soils}},  journal = {Ecosystems},  }  @article{Koele_2014,  doi = {10.1016/j.soilbio.2013.10.041},  url = {http://dx.doi.org/10.1016/j.soilbio.2013.10.041},  year = {2014},  month = {feb},  publisher = {Elsevier {BV}},  volume = {69},  pages = {63--70},  author = {Nina Koele and Ian A. Dickie and Joel D. Blum and James D. Gleason and Lenka de Graaf},  title = {{Ecological significance of mineral weathering in ectomycorrhizal and arbuscular mycorrhizal ecosystems from a field-based comparison}},  journal = {Soil Biology and Biochemistry},  }