Pruebas de abonamiento con N, P y K para elevar la producción de café en la Meseta Central de Costa Rica
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Instituto Interamericano de Ciencias Agrícolas (IICA)
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In seven localities on the central plateau of Costa Rica, uniform trials of three levels of N, P and K were made on coffee plantations. Results were variable. The increase of yields was more pronounced with N and K in Curridabat; with N only in Palmares, and in Turrialba with K only. No effects were observed in San Ramón and San Antonio de Belén. Negative effects were found in Tres Ríos with N and P. Foliar analysis were made in one year in order to correlate these data with those from the harvest.
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Coffea arabica||Coffea arabica||Coffea arabica||Coffea arabica, Fertilizante||fertilizers||adubo||engrais, Abono NPK||NPK fertilizers||adubo NPK||engrais NPK, Rendimiento||yields||rendimento||rendement, Costa Rica||Costa Rica||Costa Rica||Costa Rica, Sede Central