Distribution of C and inorganic phosphorus fractions in different aggregate sizes under forestry, agroforestry system and pasture

Distribution of C and inorganic phosphorus fractions in different aggregate sizes under forestry, agroforestry system and pasture

Abstract: The objective of this study was to evaluate the organic carbon (OC) distribution and inorganic phosphorus (P) fractions on different soil aggregates classes under forestry fragment of Atlantic Forest, pasture and agroforestry managed for a long period. Soil samples were collected at depths...

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Autores principales: Rocha Junior,Paulo Roberto da, Ribeiro,Paulo Henrique, Mesquita,Luiz Felipe, Andrade,Felipe Vaz, Mendonça,Eduardo de Sá
Lenguaje:English
Publicado: Chilean Society of Soil Science / Sociedad Chilena de la Ciencia del Suelo 2018
Materias:
Availability of phosphorus
Land use
Organic carbon
Stability of aggregates
Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162018000200361
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spelling oai:scielo:S0718-951620180002003612018-11-21Distribution of C and inorganic phosphorus fractions in different aggregate sizes under forestry, agroforestry system and pastureRocha Junior,Paulo Roberto daRibeiro,Paulo HenriqueMesquita,Luiz FelipeAndrade,Felipe VazMendonça,Eduardo de Sá Availability of phosphorus Land use Organic carbon Stability of aggregates Abstract: The objective of this study was to evaluate the organic carbon (OC) distribution and inorganic phosphorus (P) fractions on different soil aggregates classes under forestry fragment of Atlantic Forest, pasture and agroforestry managed for a long period. Soil samples were collected at depths of 0.00-0.10, 0.10-0.20 and 0.20-0.60 m, and the aggregate stability analysis was performed at each depth. The OC and the inorganic P fractions (Pbic readily available, NaHCO3 0.5 mol L-1; PNa1 moderately available, NaOH 0.1 mol L-1; and PNa2 restricted availability, NaOH 0.5 mol L-1) were determined in the respective classes of soil aggregates 4-2, 2-1, 1-0.5, 0.5-0.25 mm. Soil under forestry fragment showed higher OC contents and regardless the land use, highest values of inorganic P were found in the aggregates > 1 mm. Forestry showed highest levels of Pbic, while agroforestry showed the highest levels of PNa1, and pasture had highest values of PNa2.info:eu-repo/semantics/openAccessChilean Society of Soil Science / Sociedad Chilena de la Ciencia del SueloJournal of soil science and plant nutrition v.18 n.2 20182018-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162018000200361en10.4067/S0718-95162018005001202
institution Scielo Chile
collection Scielo Chile
language English
topic Availability of phosphorus
Land use
Organic carbon
Stability of aggregates
spellingShingle Availability of phosphorus
Land use
Organic carbon
Stability of aggregates
Rocha Junior,Paulo Roberto da
Ribeiro,Paulo Henrique
Mesquita,Luiz Felipe
Andrade,Felipe Vaz
Mendonça,Eduardo de Sá
Distribution of C and inorganic phosphorus fractions in different aggregate sizes under forestry, agroforestry system and pasture
description Abstract: The objective of this study was to evaluate the organic carbon (OC) distribution and inorganic phosphorus (P) fractions on different soil aggregates classes under forestry fragment of Atlantic Forest, pasture and agroforestry managed for a long period. Soil samples were collected at depths of 0.00-0.10, 0.10-0.20 and 0.20-0.60 m, and the aggregate stability analysis was performed at each depth. The OC and the inorganic P fractions (Pbic readily available, NaHCO3 0.5 mol L-1; PNa1 moderately available, NaOH 0.1 mol L-1; and PNa2 restricted availability, NaOH 0.5 mol L-1) were determined in the respective classes of soil aggregates 4-2, 2-1, 1-0.5, 0.5-0.25 mm. Soil under forestry fragment showed higher OC contents and regardless the land use, highest values of inorganic P were found in the aggregates > 1 mm. Forestry showed highest levels of Pbic, while agroforestry showed the highest levels of PNa1, and pasture had highest values of PNa2.
author Rocha Junior,Paulo Roberto da
Ribeiro,Paulo Henrique
Mesquita,Luiz Felipe
Andrade,Felipe Vaz
Mendonça,Eduardo de Sá
author_facet Rocha Junior,Paulo Roberto da
Ribeiro,Paulo Henrique
Mesquita,Luiz Felipe
Andrade,Felipe Vaz
Mendonça,Eduardo de Sá
author_sort Rocha Junior,Paulo Roberto da
title Distribution of C and inorganic phosphorus fractions in different aggregate sizes under forestry, agroforestry system and pasture
title_short Distribution of C and inorganic phosphorus fractions in different aggregate sizes under forestry, agroforestry system and pasture
title_full Distribution of C and inorganic phosphorus fractions in different aggregate sizes under forestry, agroforestry system and pasture
title_fullStr Distribution of C and inorganic phosphorus fractions in different aggregate sizes under forestry, agroforestry system and pasture
title_full_unstemmed Distribution of C and inorganic phosphorus fractions in different aggregate sizes under forestry, agroforestry system and pasture
title_sort distribution of c and inorganic phosphorus fractions in different aggregate sizes under forestry, agroforestry system and pasture
publisher Chilean Society of Soil Science / Sociedad Chilena de la Ciencia del Suelo
publishDate 2018
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162018000200361
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