Citas bibligráficas
Llamoja, V., (2023). Génesis, morfología, mineralogía y clasificación de los suelos de Irazola, Padre Abad, Ucayali [Universidad Nacional Agraria La Molina]. https://hdl.handle.net/20.500.12996/6028
Llamoja, V., Génesis, morfología, mineralogía y clasificación de los suelos de Irazola, Padre Abad, Ucayali []. PE: Universidad Nacional Agraria La Molina; 2023. https://hdl.handle.net/20.500.12996/6028
@mastersthesis{renati/249124,
title = "Génesis, morfología, mineralogía y clasificación de los suelos de Irazola, Padre Abad, Ucayali",
author = "Llamoja Rios, Vanessa Oriana",
publisher = "Universidad Nacional Agraria La Molina",
year = "2023"
}
The soils of the Peruvian Amazon are characterized by a tropical climate with high temperatures and heavy rainfall, in addition to exhibiting a great diversity of ecosystems originated by geological and climatic processes. Currently, the Amazon is undergoing a process of environmental degradation, soil degradation being one of the most important. Therefore, there is a need for more detailed soil studies that allow us to know their characteristics, understand their behavior and thus be able to guarantee their conservation. The objective of the research was to know the genesis, morphology, mineralogy and classification of some soils in the district of Irazola, province of Padre Abad, department of Ucayali; by identifying the main soil formation processes, according to their lithology, geomorphology, physical-chemical and mineralogical properties. The study meets the methodological conditions of a field research and its level presents characteristics of an analytical study. The evaluated area covers 1991 hectares and is located on the right and left banks of the San Alejandro river. Soils are classified as fluvial and residual according to their material of origin. The fluvial soils developed in a Quaternary fluvial plain landscape and constitute 10.65 percent of the area studied. The residual soils include the Ipururo and Chambira Formation, both from the Tertiary and developed in a hilly landscape, occupying 86.31 percent. In terms of morphology, twelve profiles are described that are expressed by a sequence of A/Bw/Bwt/C horizons. Likewise, the dominant clay minerals are of type 2:1 including montmorillonite and vermiculite, followed by minerals of type 1:1, all belonging to the kaolin group. The soils were taxonomically classified following the rules proposed by the USDA (2022), up to the categorical level of Family. At the Order level the studied area is covered by Entisols (8.33 percent), Inceptisols (46.84 percent), Alfisols (32.35 percent) and Ultisols (9.45 percent). These results allow us to know the variety of soil types and their behavior.
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