Variability of soil types in wetland meadows in the south of the Chilean Patagonia
The wetland meadows and pastures (vegas) of the agricultural zone of the Magallanes Region and the Chilean Patagonia are productive and intensively exploited ecosystems. However, there is scarce data about the typology and the physical and chemical properties of the soils that determine the agricult...
Main Authors: | , , |
---|---|
Format: | Other/Unknown Material |
Language: | English |
Published: |
Instituto de Investigaciones Agropecuarias, INIA
2010
|
Subjects: | |
Online Access: | http://www.bioline.org.br/abstract?id=cj10029 |
id |
ftbiolineint:cria:bioline:cj:cj10029 |
---|---|
record_format |
openpolar |
institution |
Open Polar |
collection |
Bioline International (Reference Center on Environmental Information, Brazil) |
op_collection_id |
ftbiolineint |
language |
English |
topic |
Histosol Fluvisol peat soil properties salinization soil degradation Histosoles Fluvisoles turba propiedades del suelo salinización degradación del suelo |
spellingShingle |
Histosol Fluvisol peat soil properties salinization soil degradation Histosoles Fluvisoles turba propiedades del suelo salinización degradación del suelo Filipová, Ladislava Hédl, Radim Covacevich, Nilo C. Variability of soil types in wetland meadows in the south of the Chilean Patagonia |
topic_facet |
Histosol Fluvisol peat soil properties salinization soil degradation Histosoles Fluvisoles turba propiedades del suelo salinización degradación del suelo |
description |
The wetland meadows and pastures (vegas) of the agricultural zone of the Magallanes Region and the Chilean Patagonia are productive and intensively exploited ecosystems. However, there is scarce data about the typology and the physical and chemical properties of the soils that determine the agricultural potential of vegas sites. Sampling of the main horizons of 47 soil profiles was conducted throughout the area. The profiles were described in the field and consequently classified according to the soil typology system of the WRB (IUSS Working Group WRB, 2006). Analyses of bulk and particle densities, capillary water capacity, pH (H 2 0), pH (CaC1 2 ), texture, organic material, C:N ratio, electrical conductivity, effective cation exchange capacity, N, P, Ca-Mg-K-Na, exchangeable Al, extractable Al, sulfur SO4 2- , B, and micronutrients (Cu-Zn-Mn-Fe) were carried out. The most frequently recorded groups of soil types in the studied vegas were Histosols - peat soils (20 profiles), and Fluvisols (19). Gleysols (3), Vertisols (1), Regosols (3), Solonchaks (1) and Solonetzs (1) were detected with much less frequency. There is also considerable variability in soil properties among and within the groups of soil types. The principal differences between the Histosols and the Fluvisols are the content of organic matter (often peat), pH level (related to the absence/presence of carbonates) and associated soil properties. Fluvisols are more susceptible to salinization under conditions of aridity, whereas the main threat to Histosols is artificial drainage. Las praderas húmedas (vegas) de la zona de uso agropecuario de la Región de Magallanes y la Antártica Chilena son ecosistemas productivos e intensamente explotados. No obstante, los conocimientos de los factores edáficos que determinan el potencial de las vegas son escasos. En este trabajo se realizó el muestreo de los horizontes principales de 47 perfiles del suelo de distintos tipos de vegas de la zona. Los perfiles se describieron y se clasificaron siguiendo el sistema de WRB (IUSS Working Group WRB, 2006). Se realizaron análisis de densidad aparente, capilaridad, pH al agua, pH al CaCl2, textura, materia orgánica, relación C/N, conductividad eléctrica, capacidad intercambio catiónico efectiva (ECEC), N mineral, P, Ca-Mg-K- Na, Al intercambio, Al extractable, azufre SO4 2- , B y micronutrientes (Cu-Zn-Mn-Fe). Los grupos de suelos de referencia más comunes en las vegas de la zona son los Histosoles o turbas (20 perfiles) y los Fluvisoles (19). Raramente se pueden detectar los Gleysoles (3), los Vertisoles (1), los Regosoles (2), los Solonchaks (1) y los Solonetzs (1). Existe una considerable variabilidad en las propiedades de los suelos de las vegas entre y también dentro de los grupos de referencia. Las mayores diferencias entre los Histosoles y los Fluvisoles estriban en el contenido de materia orgánica y el pH (relacionado con la presencia o ausencia de carbonatos) y en las propiedades del suelo asociadas. Los Fluvisoles tienden a tener problemas de salinización en condiciones de aridez, mientras que el mayor riesgo para los histosoles es el drenaje artificial. |
format |
Other/Unknown Material |
author |
Filipová, Ladislava Hédl, Radim Covacevich, Nilo C. |
author_facet |
Filipová, Ladislava Hédl, Radim Covacevich, Nilo C. |
author_sort |
Filipová, Ladislava |
title |
Variability of soil types in wetland meadows in the south of the Chilean Patagonia |
title_short |
Variability of soil types in wetland meadows in the south of the Chilean Patagonia |
title_full |
Variability of soil types in wetland meadows in the south of the Chilean Patagonia |
title_fullStr |
Variability of soil types in wetland meadows in the south of the Chilean Patagonia |
title_full_unstemmed |
Variability of soil types in wetland meadows in the south of the Chilean Patagonia |
title_sort |
variability of soil types in wetland meadows in the south of the chilean patagonia |
publisher |
Instituto de Investigaciones Agropecuarias, INIA |
publishDate |
2010 |
url |
http://www.bioline.org.br/abstract?id=cj10029 |
op_coverage |
Origin of publication: Chile |
long_lat |
ENVELOPE(-63.639,-63.639,-65.059,-65.059) ENVELOPE(-62.933,-62.933,-64.883,-64.883) |
geographic |
Azufre Magallanes Patagonia Referencia |
geographic_facet |
Azufre Magallanes Patagonia Referencia |
genre |
Antártica |
genre_facet |
Antártica |
op_source |
Chilean Journal of Agricultural Research (ISSN: 0718-5820) Vol 70 Num 2 |
op_relation |
http://www.inia.cl; http://www.bioline.org.br/cj http://www.bioline.org.br/abstract?id=cj10029 |
op_rights |
Copyright 2010 Chilean Journal of Agricultural Research. |
_version_ |
1766288597155053568 |
spelling |
ftbiolineint:cria:bioline:cj:cj10029 2023-05-15T14:16:30+02:00 Variability of soil types in wetland meadows in the south of the Chilean Patagonia Variabilidad de tipos de suelos en las vegas del sur de la Patagonia Chilena Filipová, Ladislava Hédl, Radim Covacevich, Nilo C. Origin of publication: Chile 2010-12-21 html http://www.bioline.org.br/abstract?id=cj10029 en eng Instituto de Investigaciones Agropecuarias, INIA http://www.inia.cl; http://www.bioline.org.br/cj http://www.bioline.org.br/abstract?id=cj10029 Copyright 2010 Chilean Journal of Agricultural Research. Chilean Journal of Agricultural Research (ISSN: 0718-5820) Vol 70 Num 2 Histosol Fluvisol peat soil properties salinization soil degradation Histosoles Fluvisoles turba propiedades del suelo salinización degradación del suelo AA 2010 ftbiolineint 2015-11-02T20:56:53Z The wetland meadows and pastures (vegas) of the agricultural zone of the Magallanes Region and the Chilean Patagonia are productive and intensively exploited ecosystems. However, there is scarce data about the typology and the physical and chemical properties of the soils that determine the agricultural potential of vegas sites. Sampling of the main horizons of 47 soil profiles was conducted throughout the area. The profiles were described in the field and consequently classified according to the soil typology system of the WRB (IUSS Working Group WRB, 2006). Analyses of bulk and particle densities, capillary water capacity, pH (H 2 0), pH (CaC1 2 ), texture, organic material, C:N ratio, electrical conductivity, effective cation exchange capacity, N, P, Ca-Mg-K-Na, exchangeable Al, extractable Al, sulfur SO4 2- , B, and micronutrients (Cu-Zn-Mn-Fe) were carried out. The most frequently recorded groups of soil types in the studied vegas were Histosols - peat soils (20 profiles), and Fluvisols (19). Gleysols (3), Vertisols (1), Regosols (3), Solonchaks (1) and Solonetzs (1) were detected with much less frequency. There is also considerable variability in soil properties among and within the groups of soil types. The principal differences between the Histosols and the Fluvisols are the content of organic matter (often peat), pH level (related to the absence/presence of carbonates) and associated soil properties. Fluvisols are more susceptible to salinization under conditions of aridity, whereas the main threat to Histosols is artificial drainage. Las praderas húmedas (vegas) de la zona de uso agropecuario de la Región de Magallanes y la Antártica Chilena son ecosistemas productivos e intensamente explotados. No obstante, los conocimientos de los factores edáficos que determinan el potencial de las vegas son escasos. En este trabajo se realizó el muestreo de los horizontes principales de 47 perfiles del suelo de distintos tipos de vegas de la zona. Los perfiles se describieron y se clasificaron siguiendo el sistema de WRB (IUSS Working Group WRB, 2006). Se realizaron análisis de densidad aparente, capilaridad, pH al agua, pH al CaCl2, textura, materia orgánica, relación C/N, conductividad eléctrica, capacidad intercambio catiónico efectiva (ECEC), N mineral, P, Ca-Mg-K- Na, Al intercambio, Al extractable, azufre SO4 2- , B y micronutrientes (Cu-Zn-Mn-Fe). Los grupos de suelos de referencia más comunes en las vegas de la zona son los Histosoles o turbas (20 perfiles) y los Fluvisoles (19). Raramente se pueden detectar los Gleysoles (3), los Vertisoles (1), los Regosoles (2), los Solonchaks (1) y los Solonetzs (1). Existe una considerable variabilidad en las propiedades de los suelos de las vegas entre y también dentro de los grupos de referencia. Las mayores diferencias entre los Histosoles y los Fluvisoles estriban en el contenido de materia orgánica y el pH (relacionado con la presencia o ausencia de carbonatos) y en las propiedades del suelo asociadas. Los Fluvisoles tienden a tener problemas de salinización en condiciones de aridez, mientras que el mayor riesgo para los histosoles es el drenaje artificial. Other/Unknown Material Antártica Bioline International (Reference Center on Environmental Information, Brazil) Azufre ENVELOPE(-63.639,-63.639,-65.059,-65.059) Magallanes ENVELOPE(-62.933,-62.933,-64.883,-64.883) Patagonia Referencia |