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  1. Oct 2019
  2. www.annualreviews.org www.annualreviews.org
    Roots, Nitrogen Transformations, and Ecosystem Services
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    1. pbk1 07 Oct 2019
      The actual availability of NH4+ and NO3− is difficult to measure in soil. When rates of microbial N transformations and/or plant uptake are rapid, then NH4+ or NO3− levels can be undetectable in soil
      cryptic cycling nitrogen cycle
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    annualreviews.org/doi/full/10.1146/annurev.arplant.59.032607.092932