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  1. The role of wetland soils in nitrogen and phosphorus removal from agricultural drainage water /
    By: Duangporn Sompongse,
    Publication info: 1982.
    Holding Institution: University of Florida, George A. Smathers Libraries
    Subjects: Agricultural pollution  Dissertations, Academic  Environmental aspects  Florida  FU  Soil science  Soil Science thesis Ph. D  UF  Wetland ecology  
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  2. The Significance of acid rain to agriculture in Eastern Canada /
    By: Coote, D. R. - Canada. Agriculture Canada. Research Branch.
    Publication info: Ottawa :Agriculture Canada, Research Branch,1981.
    Holding Institution: Agriculture and Agri-Food Canada (
    Subjects: Acid rain  Agricultural pollution  canada (est)  Canada, Eastern  Plants, Effect of acid precipitation on  pollution agricole  
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