Soil structural condition and its relationship with pastures under different conditions in the Simpson Valley (Humid western Patagonia, Chile)

The structural condition of the soil and its relationship with pastures under different conditions in use soil were evaluated in the Simpson Valley, Aysén Region, Chile (45° 43 ' S, 72° 07'N). Soils correspond to Andisols, Pollux series (Typic Hapludands). Established conditions were: terr...

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Autores principales:	Vial A,Manuel, Sandoval E.,Marco
Lenguaje:	English
Publicado:	Universidad de Tarapacá. Facultad de Ciencias Agronómicas 2015
Materias:	silvopasture aggregation Patagonia Andisols
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-34292015000400005
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spelling	oai:scielo:S0718-342920150004000052016-01-27Soil structural condition and its relationship with pastures under different conditions in the Simpson Valley (Humid western Patagonia, Chile)Vial A,ManuelSandoval E.,Marco silvopasture aggregation Patagonia Andisols The structural condition of the soil and its relationship with pastures under different conditions in use soil were evaluated in the Simpson Valley, Aysén Region, Chile (45° 43 ' S, 72° 07'N). Soils correspond to Andisols, Pollux series (Typic Hapludands). Established conditions were: terrace in degraded natural pasture (TPD), terrace in well-kept planted pasture (TPBE), silvopasture (SP), degraded natural pasture on a hill site (LPD), and well-kept planted pasture on a hill site (LPBE). At depths of 5, 10 and 20 cm. Percentage of soil aggregation, macroaggregates (Y >0.25 mm), microaggregates (Y<0.25 mm), stability of aggregates (MWD mm) and Loss Index (IP g kg-1) were determined by wet sieving. The experimental design was a complete randomized in a split plot arrangement. Statistical differences were analyzed using Tukey's tests (p < 0.05). A high percentage of aggregation (77.8 ± 9.7) and a predominance of macroaggregates were observed in all treatments. Higher aggregate stability was observed in SP (> MWD), followed by TPBE and LPBE, while TPD and LPD showed lower levels of aggregate stability. IP correlated with MWD values (r = -0.723; R²=0.567). Soils presented good physical conditions but fragile nature. Silvopasture is a highly beneficial practice to maintain and improve soil physical conditions of the valley, followed by artificial pastures.info:eu-repo/semantics/openAccessUniversidad de Tarapacá. Facultad de Ciencias AgronómicasIdesia (Arica) v.33 n.4 20152015-11-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-34292015000400005en10.4067/S0718-34292015000400005
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	silvopasture aggregation Patagonia Andisols
spellingShingle	silvopasture aggregation Patagonia Andisols Vial A,Manuel Sandoval E.,Marco Soil structural condition and its relationship with pastures under different conditions in the Simpson Valley (Humid western Patagonia, Chile)
description	The structural condition of the soil and its relationship with pastures under different conditions in use soil were evaluated in the Simpson Valley, Aysén Region, Chile (45° 43 ' S, 72° 07'N). Soils correspond to Andisols, Pollux series (Typic Hapludands). Established conditions were: terrace in degraded natural pasture (TPD), terrace in well-kept planted pasture (TPBE), silvopasture (SP), degraded natural pasture on a hill site (LPD), and well-kept planted pasture on a hill site (LPBE). At depths of 5, 10 and 20 cm. Percentage of soil aggregation, macroaggregates (Y >0.25 mm), microaggregates (Y<0.25 mm), stability of aggregates (MWD mm) and Loss Index (IP g kg-1) were determined by wet sieving. The experimental design was a complete randomized in a split plot arrangement. Statistical differences were analyzed using Tukey's tests (p < 0.05). A high percentage of aggregation (77.8 ± 9.7) and a predominance of macroaggregates were observed in all treatments. Higher aggregate stability was observed in SP (> MWD), followed by TPBE and LPBE, while TPD and LPD showed lower levels of aggregate stability. IP correlated with MWD values (r = -0.723; R²=0.567). Soils presented good physical conditions but fragile nature. Silvopasture is a highly beneficial practice to maintain and improve soil physical conditions of the valley, followed by artificial pastures.
author	Vial A,Manuel Sandoval E.,Marco
author_facet	Vial A,Manuel Sandoval E.,Marco
author_sort	Vial A,Manuel
title	Soil structural condition and its relationship with pastures under different conditions in the Simpson Valley (Humid western Patagonia, Chile)
title_short	Soil structural condition and its relationship with pastures under different conditions in the Simpson Valley (Humid western Patagonia, Chile)
title_full	Soil structural condition and its relationship with pastures under different conditions in the Simpson Valley (Humid western Patagonia, Chile)
title_fullStr	Soil structural condition and its relationship with pastures under different conditions in the Simpson Valley (Humid western Patagonia, Chile)
title_full_unstemmed	Soil structural condition and its relationship with pastures under different conditions in the Simpson Valley (Humid western Patagonia, Chile)
title_sort	soil structural condition and its relationship with pastures under different conditions in the simpson valley (humid western patagonia, chile)
publisher	Universidad de Tarapacá. Facultad de Ciencias Agronómicas
publishDate	2015
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-34292015000400005
work_keys_str_mv	AT vialamanuel soilstructuralconditionanditsrelationshipwithpasturesunderdifferentconditionsinthesimpsonvalleyhumidwesternpatagoniachile AT sandovalemarco soilstructuralconditionanditsrelationshipwithpasturesunderdifferentconditionsinthesimpsonvalleyhumidwesternpatagoniachile
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Soil structural condition and its relationship with pastures under different conditions in the Simpson Valley (Humid western Patagonia, Chile)

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