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Fijación biológica de nitrógeno por Leguminosas Arbóreas para para sombra de café en Puerto Rico
(2007)
Sustainable production of shaded coffee brings multiple benefits, including the conservation and increase of soil fertility. The objective of this study was to evaluate the capacity of biological N2 fixation of 30 different ...
Aportación de nitrógeno, fósforo y sedimentos suspendidos durante eventos de tormenta en micro cuencas Del Río Grande de Añasco, Puerto Rico
(2005)
Three of the most important contaminant agents related to non-point sources are
suspended sediments, nitrogen and phosphorus. This study quantified the concentration and discharges of total Kjeldhal nitrogen (TKN), total ...
Densidad y altura de corte y su efecto sobre el rendimiento y persistencia de Ubon Stylo (Stylosanthes guianesnsis var. vulgaris x var. pauciflora) en un oxisol de Puerto Rico
(2009)
Información sobre el comportamiento de Ubon Stylo (Stylosanthes guianensis; var. vulgaris x var. pauciflora), (95 por ciento de germinación) durante el período de establecimiento es limitante en Puerto Rico. Se evaluó los ...
Effect of exotic canopy on understory species composition in degrades subtropical Dry Forest of Puerto Rico
(2007)
Most of the forest in the dry zone of Puerto Rico is relatively young secondary forest dominated by exotic species. This pattern is the result of the abandonment of lands that were intensively used for agriculture and other ...