Abstract
THE term ‘grumusol’ was proposed by Oaks and Thorp1 for the dark-coloured clays which occur in many tropical and sub-tropical regions. Much is known concerning the chemistry2,3, mineralogy4 and fertility5 of a number of these soils; but, as pointed out by Joffe6, “the source of the black colour has been a kind of an enigma”.
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References
Oaks, H., and Thorp, J., Proc. Soil Sci. Soc. Amer., 15, 347 (1951).
Agarwal, R. R., and Mukerji, P., Ind. J. Agric. Sci., 19, 31 (1949).
Raychaudhuri, S. P., Sulaiman, M., and Bhuiyan, A. B., Ind. J. Agric. Sci., 13, 264 (1943).
Stephen, I., J. Soil Sci., 4, 211 (1953).
Basu, J. K., and Kibe, M. M., Curr. Sci., 15, 131 (1946).
Joffe, J. S., “Pedology” (New Jersey, 1949).
Smirnov, V. P., Ezhegod. Geolog. i Miner. Rossii, 14, 206 (1912).
Mohr, E. C. J., “Soils of Equatorial Regions” (Michigan, 1944).
del Villar, E. H., Soil Sci., 57, 313 (1944).
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HESSAYON, D., HUTTON, R. In vitro Production of Tropical Black Earth. Nature 174, 612 (1954). https://doi.org/10.1038/174612a0
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DOI: https://doi.org/10.1038/174612a0
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