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  1. 1
    Published 2011
    Book

    Nutrient management for energy efficiency
  2. 2
    by Tisdale, Samuel L.
    Published 1985
    Book

    Soil fertility and fertilizers
  3. 3
    by Nye, P.H, Tinker, P. B.
    Published 1977
    Book

    Solute movement in the soil-root system
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