Advances in crop agronomy, nutrition and farming systems of coconut in the Philippines

abonos analyse de tissus azufre chlore chlorine cloro coco coconuts cocos nucifera efficiency eficacia engrais exigence des plantes farming systems fertilidad del suelo fertilizers feuille foliar diagnosis hojas income leaves necesidades de las plantas noix de coco nutrientes nutrients nutrition des plantes plant nutrition plant requirements poda potasio potassium productividad productivity profitability pruning rendement rendimiento renta rentabilidad revenu soil fertility sostenibilidad soufre substance nutritive sulphur sustainability taille tissue analysis uses usos utilisation yields