selected publications
-
academic article
- Limnologic conditions at La Plata reservoir in Puerto Rico: 2008 to 2009.. Journal of Agriculture of the University of Puerto Rico. 96:1-22. 2012
- Phosphorus in runoff from two highly weathered soils of the tropics. Journal of Soil Science and Plant Nutrition . 91:267-277. 2011
- Benthic algal diversity and biomass as indicators to establish reference streams in Puerto Rico. Verhandlungen des Internationalen Verein Limnologie. 30:1567-1572. 2010
- Evidence for excess dietary phosphorus on dairy farms with rotational grazing and tropical grasses. Journal of Agriculture of the University of Puerto Rico. 93:23-40. 2009
- Phytoplankton dynamics of the Guajataca reservoir, Puerto Rico. Verhandlungen des Internationalen Verein Limnologie. 30:1-5. 2009
- Effectiveness of grass filter strips for runoff nutrient and sediment reduction in dairy sludge-amended pastures. Journal of Agriculture of the University of Puerto Rico. 92:1-14. 2008
- Erosion and nutrient loss reduction with an alternative planting method for coffee (Coffea arabica). Journal of Agriculture of the University of Puerto Rico. 92:153-169. 2008
- Influence of season and stocking rate on pasture herbage availability and milk yield. Journal of Agriculture of the University of Puerto Rico. 92:15-26. 2008
- Limnological assessment of two reservoirs in Puerto Rico. Verhandlungen des Internationalen Verein Limnologie. 30:1-7. 2008
- Tracking human faecal contamination in tropical reservoirs in Puerto Rico. Lakes and Reservoirs: Research and Management.. 13:301-317. 2008
- Nutrient concentrations in runoff from different manure amended fields of the tropics under natural rainfall conditions. Journal of Agriculture of the University of Puerto Rico. 91:101-105. 2007
- Microbiological surface-water quality of the Rio Grande watershed, Puerto Rico. Caribbean Journal of Science . 42:151-163. 2006
- Off-field transport of phosphorus from an Ultisol under pasture. Journal of Agriculture of the University of Puerto Rico. 90:159-172. 2006
- The status of phosphorus and other soil fertility parameters in soils of Puerto Rico. Journal of Agriculture of the University of Puerto Rico. 90:145-157. 2006
- Phosphorus soil tests for environmental assessment in tropical soils. Communications in Soil Science and Plant Analysis. 35:1485-1503. 2004
- Application of the Caribbean P index to soils receiving organic amendments. Journal of Agriculture of the University of Puerto Rico. 87:59-64. 2003
- Phosphorus balance on dairy farms of Puerto Rico. Journal of Agriculture of the University of Puerto Rico. 87:59-64. 2003
- Phosphorus status of stream waters in Puerto Rico: 1989-1997. Journal of Agriculture of the University of Puerto Rico. 85:1-15. 2001
-
article
- Phytoplankton dynamics of the Guajataca reservoir, Puerto Rico. Verh. Internat. Verein. Limnol.. 1-5. 2009
-
conference paper
- Caribbean phosphorus index validation and management practices evaluation on fields under manure applications. American Society of Agricultural and Biological Engineers. 2009
- Nutrients in dairy manure sludge in Puerto Rico. Management and implications. 347-355. 2008
- Dinamica de nutrientes y aportaciones anuales en aguas superficiales de micro cuencas rurales tropicales. Congreso Latinoamericano de la Ciencia del Suelo. 2004
- Estimacion de las perdidas de fosforo bajo simulacion de lluvia en un Ultisol. VI Congreso Latinoamericano y del Caribe de IngenierÃa AgrÃcola. 2004
- Perdidas de fosforo bajo simulacion de lluvia en un Ultisol. Congreso Latinoamericano de la Ciencia del Suelo. 2004
- Phosphorus balance on intensively managed dairy farms of the Caribbean.. 9th World Conference on Animal Production, Porto Alegre Brazil. 2003
-
conference poster
- Phosphorous dynamics and associated tropic status of two reservoirs of Puerto Rico . American Society of Limnology and Oceanography, San Juan, PR. 2011
- The nutrient sources impacting the phytoplankton community in two Puerto Rican reservoirs. American Society of Limnology and Oceanography, San Juan, PR. 2011
- The phytoplankton community structure in two Puerto Rican reservoirs of contrasting nutrient status. American Society of Limnology and Oceanography Aquatic Sciences meeting, San Juan, PR. 2011
- Transporte de nutrienes con residuos organicos de vaqueria 2009
- Caracterizacion de nutrientes y sedimentos en escorrentia de suelos enmendados con residuos organicos de vaqueria 2008
- Evaluation of benthic algae diversity and biomass as indicators to establish reference streams for water quality monitoring in Puerto Rico. XXVI Simposio del Departamento de Recursos Naturales y Ambientales . 2007
- Physicochemical dynamics of the Guajataca reservoir, Puerto Rico. 30th Congress of the International Association of Theoretical and Applied Limnology. 2007
- Phytoplankton dynamics of the Guajataca Reservoir, Puerto Rico. XXVI Simposio del Departamento de Recursos Naturales y Ambientales . 2007
- Determination of numeric nutrient criteria in reservoirs of Puerto Rico 2005
- Phosphorus mass balance of dairy farms of Puerto Rico 2005
- Uso del modelo EPIC para predecir el transporte de sedimentos y nutrientes de un suelo con aplicacion de enmiendas organicas e inorganicas. Sociedad Puertorriquena de las Ciencias Agricolas. 2005
- Descargas nutricionales de la cuenca de Mayaguez. 10th Drinking Water Seminar, PR Water Resources and Enviromental Research Institute . 2004
-
report
-
video