Coffee growth, nutrition and (N, P, K) fertilization at full solar exposure, on red ferralitic soils. Main results of INCA [Instituto Nacional de Ciencias Agricolas, La Habana (Cuba)] within 1973-1989 period

abonos npk absorption de substances nutritives analyse de tissus azote besoin nutritionnel coffea arabica crecimiento croissance crop yield cultivo al aire libre culture en plein air cycling engrais npk espacement espaciamiento ferralsol ferralsoles ferralsols feuille growth hojas leaves necesidades de nutrientes nitrogen npk fertilizers nutrient uptake nutrition des plantes nutritional requirements outdoor cropping plant nutrition rendement des cultures rendimiento de cultivos root systems seasonal variation sistema radicular spacing tissue analysis