Abstract
IN the course of an investigation1 of soil fertility-levels in plots on the Faculty of Agriculture farm at University College, Ibadan, total (Kjeldahl) nitrogen accumulation in the upper 16 in. of soil under five different covers over a three-year period was measured.
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JAIYEBO, E., MOORE, A. Soil Nitrogen Accretion under Different Covers in a Tropical Rain-Forest Environment. Nature 197, 317–318 (1963). https://doi.org/10.1038/197317b0
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DOI: https://doi.org/10.1038/197317b0
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