Coffee Board of Kenya Monthly Bulletins January 1971

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Date
1971
Authors
Aduayi, E.A.
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Abstract
Studies on the effects of copper on Coffea arabica L. seedlings show that copper (as Cu20 or CUS04) when applied in high concentrations affects root development,the general growth and nutrient composition of the plant and produces toxicity (Castillo and Parra, 1959; Nag Raj and George, 1960).Baker (1964) sprayed detached leaves of Coffea arabica with different concentrations of copper oxychloride and found that copper,up to 474 ppm,was absorbed by the leaves.
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