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  1. 1

    Evaluation and correlation on selected phosphorus soil test methods for paddy soils af Samonte, Henry Peralta 1939-

    Udgivet 1965
    Thesis

    Evaluation and correlation on selected phosphorus soil test methods for paddy soils
  2. 2

    A study on phosphorous loads in municipal wastewater attributed to detergents and their persistence in selected Metro Manila rivers af Roman, Adelaida B.

    Bog

    A study on phosphorous loads in municipal wastewater attributed to detergents and their persistence in selected Metro Manila rivers

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