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Revista Mexicana de Ciencias Forestales
Article . 2020 . Peer-reviewed
License: CC BY NC
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Revista Mexicana de Ciencias Forestales
Article
License: CC BY NC
Data sources: UnpayWall
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Curvas de retención de humedad y modelos de pedotransferencia en un Andosol bajo distintos usos de suelo

Authors: Silvia Janeth Bejar; Israel Cantú Silva; María Inés Yáñez Díaz; Erik Orlando Luna Robles;

Curvas de retención de humedad y modelos de pedotransferencia en un Andosol bajo distintos usos de suelo

Abstract

La presente investigación tuvo por objetivos conocer el comportamiento de la capacidad de retención de humedad de un Andosol con presencia de diferentes usos de suelo: forestal y agrícola (aguacate convencional, aguacate orgánico y macadamia); determinar la capacidad de campo (CC), el punto de marchitez permanente (PMP) y el agua disponible (AD [CC-PMP]); y validar seis funciones de pedotransferencia para CC y PMP. La curva de retención de humedad (CRH) se aplicó por medio del método de la placa y membrana de presión a distintas tensiones: 33 (CC); 50, 150, 500, 1 000 y 1 500 ([PMP] KPa), mediante extractores de placa en muestras recolectadas a dos profundidades (0-20 y 20-40 cm). Los resultados demuestran que existen diferencias significativas entre usos de suelo y tensiones. La CC registró valores en un intervalo de 55.95 a 69.03 %, con un PMP entre 33.54 a 45.66 % en la profundidad 0 - 20 cm; y de 40.99 a 62.02 %, con 25.27 a 36.89 % de PMP a una profundidad de 20 - 40 cm. De acuerdo a los resultados, la FPT que presentó la mayor capacidad de predicción para la estimación del contenido de agua fue la de Rawls y Brakensiek. El cambio de uso del suelo de terrenos forestales a cultivos agrícolas modifica la capacidad de un Andosol para retener humedad.

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Keywords

uso de suelo, Forestry, SD1-669.5, capacidad de campo, Environmental technology. Sanitary engineering, funciones de pedotransferencia, andosol, agua disponible, punto de marchitez permanente, TD1-1066

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selected citations
These citations are derived from selected sources.
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).
BIP!Citations provided by BIP!
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.
BIP!Impulse provided by BIP!
4
Top 10%
Average
Average
gold