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  1. Aluminum as a factor in soil acidity,
    By: Mirasol, Jose Jison,
    Publication info: Baltimore,1920
    Contributed by: Library of Congress
    Subjects: Aluminum  Soils  
    BHL Collections: Library of Congress
    View Book
  1. Soil chemical factors and grassland species density in Emas National Park (central Brazil)
    By: Amorim,PK. - Batalha,MA.
    Type: Article
    In: Brazilian Journal of Biology
    Date: 2008-05-01
    Publication info: Brazilian Journal of Biology
    Subjects: Aluminum  nutrient limitation  pH  soil  species density  
    View Article (External)