Percolation and leaching of nutrients in banana soils to the East of the Reventazón river, Limón, Costa Rica.

 

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Autors: Acón-Ho, Jorge, Alpízar-Oses, Luis, WingChing-Jones, Rodolfo
Format: artículo original
Estat:Versión publicada
Data de publicació:2013
Descripció:The objective of this study was to detwermine leachinglosses of Ca, Mg, K and nitric N in banana soils. The workwas conducted between 2003-2004 in the Venecia Farm inMatina, Limón, Costa Rica. Three nitrogen fertilizer sourceswere used: urea (U), ammonium nitrate (aN) and ammoniumsulfate (HS). Sampling was conducted at a depth of 60 cmusing lysimeters and the volume of percolated water (D) wascalculated using the indirect method of soil water balance(BHs). Irrespective of the sampling dates no statistical differenceswere determined found for pH. The concentration ofcalcium (Ca) in the leachate for different treatments duringdifferent times of sampling, was not significant, but significantdifferences were found between treatment with U withrespect to treatment of NA and SA. No differences betweenthe NA and SA or in the average concentrations of magnesium(Mg) and potassium (K) in the leachate were observed.In the case of nitric nitrogen, significant differences weredetected only between the NA regarding the U and SA, bothin general and between sampling dates.
Pais:Portal de Revistas UCR
Institution:Universidad de Costa Rica
Repositorio:Portal de Revistas UCR
Idioma:Español
OAI Identifier:oai:portal.ucr.ac.cr:article/12532
Accés en línia:https://revistas.ucr.ac.cr/index.php/agromeso/article/view/12532
Access Level:acceso abierto
Paraula clau:nitrogen sources
cation loss
soil nutrients fluctuation
soil nitric nitrogen.
fuentes de nitrógeno
pérdida de cationes
fluctuación de nutrimentos en el suelo
nitrógeno nítrico en el suelo.