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Productividad y calidad forrajera de Brachiaria humidicola en monocultivo y en asocio con Acacia mangium en un suelo ácido en el trópico húmedo
(CATIE, Turrialba (Costa Rica), 1999)
Se evaluó el efecto del árbol maderable Acacia mangium sobre la productividad y calidad forrajera de pasturas de Brachiaria humidicola en un suelo ácido con alta saturación de Al. B. humidicola tuvo menor concentración de ...
Perspectives for organic crop production in the tropics (Número de registro
(1999)
Because of the more favourable environment for crop pests and diseases, higher decomposition rates and loss of nutrients through leaching, tropical environments would not, at first, seem to be very productive for crop ...
Shade effects on moisture relations of agroforestry systems
(1999)
Although competition of shade trees for water with shaded crops has been a major argument in favor of the removal of shade trees in agroforestry systems, experimental results do not always confirm that shade trees increase ...