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Caracterización de los nutrientes y sedimentos en la escorrentía de suelos enmendados con residuos orgánicos de vaquería
(2009)
Runoff with elevated phosphorus (P) and nitrogen (N) concentrations from agricultural soils contributes to surface water quality reduction. The effects of soil test P, dairy manure sludge application levels, and time after ...
Assessment of enterococci species distribution in a subbasin of the Lajas Valley using molecular techniques
(2019-09-06)
A common biological parameter for assessing the quality of a waterbody is the presence of fecal bacteria. Within the fecal bacteria group there are specific bacterial genres such as enterococci which are associated with ...
Soil organic carbon and nitrogen distribution in a tropical watershed
(2004)
The role of soils in sequestering atmospheric carbon (C) and nitrogen (N) can best
be understood from a watershed perspective because the multiple influences of factors
influencing the process can be assessed simultaneously, ...
Efecto de la fertilización nitrogenada y cobertora sobre el rendimiento de una linea endogámica de maíz
(2016)
Mejor conocimiento sobre el manejo de nitrógeno (N) en el cultivo de maíz (Zea Mays L.) en la costa semiárida del sur de Puerto Rico podría contribuir a la implementación de prácticas que mejoren la sostenibilidad de este ...
Transporte de sedimentos y fósforo en escorrentía bajo simulación de lluvia
(2005)
Phosphorus (P) in runoff from agricultural soils is an important contributor to surface water eutrophication. To quantify P losses from organic (poultry litter [PL]) and inorganic (triple superphosphate [TSP]) P amended ...
Validación del modelo de simulación índice de nitrógeno (N-index) del caribe en sistemas de producción de hortalizas en el Valle de Lajas
(2014)
Nutrient losses from agricultural fields are one of the principal causes of environmental degradation. Typical nitrogen (N) fertilizer consumption rates in vegetable production systems and horticultural crops, typically ...
Metabolism and trophic status of streams draining basins with different land use in Southwest Puerto Rico
(2018-12-11)
The eastern part of the Lajas Valley basin has an area of 14,519 ha, a population of about 33,000, and the predominant land use is 9.3% urban or sub-urban, 30% agricultural, and 61% forest / fallow. Quebrada Mondongo and ...
Respuesta del plátano (Musa accuminata x Musa balbisiana) a la aplicación de nitrógeno en un Vertisol de Puerto Rico
(2009)
Plantains (Musa accuminata x Musa balbisiana) are one of the most important commercial crops cultivated in Puerto Rico. It is important to determine the optimum fertilizer nitrogen (N) rates for the optimum yields, decrease ...
Utilización de urea líquida (ULB-35®) en producción de forrajes en Puerto Rico.
(2009)
Four experiments were conducted on commercial farms, to quantify forage yields and nutritional contents of pastures used for hay with the application of liquid urea (ULB-35®). Liquid material was applied through the center ...
Microorganismos indicadores de contaminación fecal en la escorrentía de un suelo enmendado con estiércol vacuno
(2013)
Dairy manure application to agricultural soils is a common disposal method of the material that will provide nutrients and organic carbon to the soils, but at the same time adds fecal indicator bacteria (FIB). The effects ...