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Papel del fósforo y del cobre sobre el crecimiento y composición del café Arábica cultivado en arena
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1978-04)
Non-flowering two-year old Coffea arabica L. (cv.'S.L 34') plants were grown in sand culture and treated with varying combinations of copper and phosphorus. Increases in the number of leaves and flower buds were observed ...