Abstract
THE communication on this subject by R. S. A. Beauchamp1 emphasizes the need for agricultural experiments designed to explore possible sulphur deficiency in African soils. Mention is made of Storey and Leach's work on sulphur deficiency in Nyasaland which causes the tea yellows disease2. The Tukuyu district of the Southern Highlands province of Tanganyika is similarly affected, and since 1945, when D. W. Duthie of the Amani Research Station diagnosed the disease, application of sulphate of ammonia to tea soils has been a routine operation and has effectively controlled the disease.
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References
Beauchamp, R. S. A., Nature, 171, 769 (1953).
Storey, H. H., and Leach, R., Ann. App. Biol., 20, 23 (1946).
Tea Research Institute of East Africa Ann. Rep. (1952).
Eden, T., “Monographs on Tea Production in Ceylon” (1949).
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EDEN, T. Sulphates in African Inland Waters. Nature 172, 595 (1953). https://doi.org/10.1038/172595a0
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DOI: https://doi.org/10.1038/172595a0
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