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Vlek, P.L.G., Fillery, I.R.P. & Burford, J.R. Accession, transformation, and loss of nitrogen in soils of the arid region. Plant Soil 58, 133–175 (1981). https://doi.org/10.1007/BF02180052
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DOI: https://doi.org/10.1007/BF02180052