Accumulation of Soil Carbon and Phosphorus Contents of a Rehabilitated Forest

The world's tropical rainforests are decreasing at an alarming rate as they are converted to agricultural land, pasture, and plantations. Decreasing tropical forests affect global warming. As a result, afforestation progams have been suggested to mitigate this problem. The objective of this stu...

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Main Authors: Osumanu Haruna Ahmed, Nur Aainaa Hasbullah, Nik Muhamad Ab Majid
Format: Article
Language:English
Published: Wiley 2010-01-01
Series:The Scientific World Journal
Online Access:http://dx.doi.org/10.1100/tsw.2010.196
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author Osumanu Haruna Ahmed
Nur Aainaa Hasbullah
Nik Muhamad Ab Majid
author_facet Osumanu Haruna Ahmed
Nur Aainaa Hasbullah
Nik Muhamad Ab Majid
author_sort Osumanu Haruna Ahmed
collection DOAJ
description The world's tropical rainforests are decreasing at an alarming rate as they are converted to agricultural land, pasture, and plantations. Decreasing tropical forests affect global warming. As a result, afforestation progams have been suggested to mitigate this problem. The objective of this study was to determine the carbon and phosphorus accumulation of a rehabilitated forest of different ages. The size of the study area was 47.5 ha. Soil samples were collected from the 0-, 6-, 12-, and 17-year-old rehabilitated forest. Twenty samples were taken randomly with a soil auger at depths of 0–20 and 20–40 cm. The procedures outlined in the Materials and Methods section were used to analyze the soil samples for pH, total C, organic matter, total P, C/P ratio, yield of humic acid (HA), and cation exchange capacity (CEC). The soil pH decreased significantly with increasing age of forest rehabilitation regardless of depth. Age did not affect CEC of the rehabilitated forest. Soil organic matter (SOM), total C, and total P contents increased with age. However, C/P ratio decreased with time at 0–20 cm. Accumulation of HA with time and soil depth was not consistent. The rehabilitated forest has shown signs of being a C and P sink.
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spelling doaj-art-d1be7d190cc948cbb531fc4ea06b1b042025-08-20T03:23:59ZengWileyThe Scientific World Journal1537-744X2010-01-01101988199510.1100/tsw.2010.196Accumulation of Soil Carbon and Phosphorus Contents of a Rehabilitated ForestOsumanu Haruna Ahmed0Nur Aainaa Hasbullah1Nik Muhamad Ab Majid2Department of Crop Science, Faculty of Agriculture and Food Sciences, Universiti Putra Malaysia, Bintulu Sarawak Campus, Bintulu, Sarawak, MalaysiaDepartment of Crop Science, Faculty of Agriculture and Food Sciences, Universiti Putra Malaysia, Bintulu Sarawak Campus, Bintulu, Sarawak, MalaysiaDepartment of Forest Management, Faculty of Forestry, Universiti Putra Malaysia, Serdang, Selangor, MalaysiaThe world's tropical rainforests are decreasing at an alarming rate as they are converted to agricultural land, pasture, and plantations. Decreasing tropical forests affect global warming. As a result, afforestation progams have been suggested to mitigate this problem. The objective of this study was to determine the carbon and phosphorus accumulation of a rehabilitated forest of different ages. The size of the study area was 47.5 ha. Soil samples were collected from the 0-, 6-, 12-, and 17-year-old rehabilitated forest. Twenty samples were taken randomly with a soil auger at depths of 0–20 and 20–40 cm. The procedures outlined in the Materials and Methods section were used to analyze the soil samples for pH, total C, organic matter, total P, C/P ratio, yield of humic acid (HA), and cation exchange capacity (CEC). The soil pH decreased significantly with increasing age of forest rehabilitation regardless of depth. Age did not affect CEC of the rehabilitated forest. Soil organic matter (SOM), total C, and total P contents increased with age. However, C/P ratio decreased with time at 0–20 cm. Accumulation of HA with time and soil depth was not consistent. The rehabilitated forest has shown signs of being a C and P sink.http://dx.doi.org/10.1100/tsw.2010.196
spellingShingle Osumanu Haruna Ahmed
Nur Aainaa Hasbullah
Nik Muhamad Ab Majid
Accumulation of Soil Carbon and Phosphorus Contents of a Rehabilitated Forest
The Scientific World Journal
title Accumulation of Soil Carbon and Phosphorus Contents of a Rehabilitated Forest
title_full Accumulation of Soil Carbon and Phosphorus Contents of a Rehabilitated Forest
title_fullStr Accumulation of Soil Carbon and Phosphorus Contents of a Rehabilitated Forest
title_full_unstemmed Accumulation of Soil Carbon and Phosphorus Contents of a Rehabilitated Forest
title_short Accumulation of Soil Carbon and Phosphorus Contents of a Rehabilitated Forest
title_sort accumulation of soil carbon and phosphorus contents of a rehabilitated forest
url http://dx.doi.org/10.1100/tsw.2010.196
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