Abstract
IN a number of areas, particularly in Trinidad, numerous field trials have been carried out to determine the effects of fertilizers, shade and spacing on cacao yield and nutrient uptake1–6. Little attention has been directed to the effects on the soil or on correlations between the nutrient status of the soil and nutrient uptake.
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References
Hardy, F., A Report on Cacao Research, 26 (Imperial College of Tropical Agriculture, Trinidad, 1939).
Murray, D. B., ibid., 11 (1952).
Maliphant, G. K., ibid., 76 (1959).
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Moss, P., and Hodnett, G. E., Plant and Soil, 19, 33 (1963).
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Jones, T. A., Maliphant, G. K., and Havard, G., A Report on Cacao Research, 30 (Imperial College of Tropical Agriculture, Trinidad, 1957).
Moss, P., Plant and Soil (in the press).
Moss, P., and Coulter, J. K. (unpublished results).
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MOSS, P. A Potassium Relationship between Soil Solution and Cacao Bark. Nature 201, 729–730 (1964). https://doi.org/10.1038/201729a0
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DOI: https://doi.org/10.1038/201729a0
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