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Propiedades químicas del suelo en cuatro fincas de la agricultura suburbana en Santiago de Cuba

Authors: Vargas Batis, Belyani; Escobar Perea, Yatniel; Rodríguez Fonseca, Rubert; Ramos García, Yordi Mauro; Rodríguez Suárez, Ernesto Jesús; Fuente Miranda, Onelkis;

Propiedades químicas del suelo en cuatro fincas de la agricultura suburbana en Santiago de Cuba

Abstract

Contexto: El suelo es un recurso importante y constituye la base para la explotación agropecuaria y forestal. Sus propiedades químicas tienen relación con la disponibilidad de nutrientes. Sin un estudio adecuado de los indicadores de la naturaleza química de los suelos, es difícil comprender la fertilidad de estos. Objetivo: Evaluar el comportamiento de algunas propiedades químicas del suelo en cuatro fincas de la agricultura suburbana de Santiago de Cuba. Métodos: Se realizaron calicatas para tomar muestras en cada uno de los horizontes del suelo. Identificadas las muestras, fueron trasladas a los Laboratorios de la Empresa Geominera Oriente. Se determinó el contenido de calcio (Ca2+), magnesio (Mg2+), aluminio (Al3+), sodio (Na+) y potasio (K+), relaciones catiónicas, el pH, Capacidad de Intercambio Catiónico Efectiva (CICe), el Porciento de Saturación por Bases (V), Saturación respecto a la CICe y Materia Orgánica (M.O). Resultados: El contenido de Ca2+, Na+ y K+ tuvo un comportamiento variable mientras que el Al3+ y el Mg2+ se comportaron de manera similar, superando en todos los casos los límites de permisibilidad en el suelo. El pH fue la propiedad que menos variación mostró, encontrándose por encima de 7, el valor V en todos los casos fue superior al 85 % y la CICe se encontró por encima de 50 cmol.Kg-1. La relación Ca2+/Mg2+ mostró un balance desfavorable, la saturación por Na+ fue elevada y el contenido de M.O de manera general fue bajo. Conclusiones: Las propiedades químicas de los suelos en las fincas estudiadas son un factor limitante para el desarrollo de procesos productivos. A pesar de tener una fertilidad potencial y buen contenido de nutrientes, la relación entre los diferentes elementos hace que estos permanezcan retenidos en el suelo en formas que no pueden ser asimilados por los cultivos.

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Keywords

agricultura sub urbana, agricultura suburbana, Agriculture (General), propiedades del suelo, nutrición, S1-972

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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