Laboratorio de Biología Ambiental de Plantas, Departamento de Biología de Organismos, Universidad Simón Bolívar, Apartado 89.000, Caracas, Venezuela;
Amazon; Forests; Amazon; Caatinga; Leaf; Ionome; Homeostasis; Leaf; N-P; and; Micronutrients; Micro-Nutrient; Deficiency; Micronutrients; Toxicity; Mixed; Forest; N-P; Co-Limitation; Plant; Nutrient; Balance; Oxisol; Podzol;