Amelioration of Volcanic Soils from Camiguin Island (Southern Philippines) Using Natural Amendments

Cultivated and uncultivated soils along the footslopes of Mt. Hibok-Hibok volcano, down to the nearby coastal areas were examined to assess the effects of cultivation on their chemical fertility characteristics. Some selected soils were incubated for 9 months with natural amendments (calcium sili...

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Main Author:	Boniao, Renato D.
Format:	Thesis
Language:	English English
Published:	2000
Subjects:	Volcanic soils - Philippines Camiguin Island (Philippines) Soil formation
Online Access:	http://psasir.upm.edu.my/id/eprint/10512/1/FP_2000_7.pdf
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id	my-upm-ir.10512
record_format	uketd_dc
spelling	my-upm-ir.105122024-04-03T04:59:20Z Amelioration of Volcanic Soils from Camiguin Island (Southern Philippines) Using Natural Amendments 2000-06 Boniao, Renato D. Cultivated and uncultivated soils along the footslopes of Mt. Hibok-Hibok volcano, down to the nearby coastal areas were examined to assess the effects of cultivation on their chemical fertility characteristics. Some selected soils were incubated for 9 months with natural amendments (calcium silicate, ground basaltic pyroclastics, and peat) to determine whether addition of these materials can improve soil surface charge properties, particularly point of zero charge (pH,) and cation exchange capacity (CEC). Effects of adding the amendment materials on plant growth were investigated with maize as test crop in a glasshouse experiment. The results showed that cultivated soils have lower % organic carbon (O.C) content and subsequently lower CEC compared to the uncultivated ones. Cultivation also raised pH,. Adding peat reduced pH" increased the CEC, and improved their ion retention. Adding basaltic pyroclastics showed promise to improve the charge properties of the soils but as an amendment material, a longer incubation time was needed to detect some influence on the soil. Calcium silicate, on the other hand, gave an extremely high pH, and pH. The high values were presumably because the rate applied was too high, which resulted in silicic acid precipitation. Plant response to the amendments (peat and basalt pyroclastics) showed that nutrient uptake was positively related to an improved ion retention of the soils. It also showed that relative heights and weights were linearly correlated with cations concentration in the soil solution. Volcanic soils - Philippines Camiguin Island (Philippines) Soil formation 2000-06 Thesis http://psasir.upm.edu.my/id/eprint/10512/ http://psasir.upm.edu.my/id/eprint/10512/1/FP_2000_7.pdf text en public doctoral Universiti Putra Malaysia Volcanic soils - Philippines Camiguin Island (Philippines) Soil formation Faculty of Agriculture Jusop, Shamsuddin English
institution	Universiti Putra Malaysia
collection	PSAS Institutional Repository
language	English English
advisor	Jusop, Shamsuddin
topic	Volcanic soils - Philippines Camiguin Island (Philippines) Soil formation
spellingShingle	Volcanic soils - Philippines Camiguin Island (Philippines) Soil formation Boniao, Renato D. Amelioration of Volcanic Soils from Camiguin Island (Southern Philippines) Using Natural Amendments
description	Cultivated and uncultivated soils along the footslopes of Mt. Hibok-Hibok volcano, down to the nearby coastal areas were examined to assess the effects of cultivation on their chemical fertility characteristics. Some selected soils were incubated for 9 months with natural amendments (calcium silicate, ground basaltic pyroclastics, and peat) to determine whether addition of these materials can improve soil surface charge properties, particularly point of zero charge (pH,) and cation exchange capacity (CEC). Effects of adding the amendment materials on plant growth were investigated with maize as test crop in a glasshouse experiment. The results showed that cultivated soils have lower % organic carbon (O.C) content and subsequently lower CEC compared to the uncultivated ones. Cultivation also raised pH,. Adding peat reduced pH" increased the CEC, and improved their ion retention. Adding basaltic pyroclastics showed promise to improve the charge properties of the soils but as an amendment material, a longer incubation time was needed to detect some influence on the soil. Calcium silicate, on the other hand, gave an extremely high pH, and pH. The high values were presumably because the rate applied was too high, which resulted in silicic acid precipitation. Plant response to the amendments (peat and basalt pyroclastics) showed that nutrient uptake was positively related to an improved ion retention of the soils. It also showed that relative heights and weights were linearly correlated with cations concentration in the soil solution.
format	Thesis
qualification_level	Doctorate
author	Boniao, Renato D.
author_facet	Boniao, Renato D.
author_sort	Boniao, Renato D.
title	Amelioration of Volcanic Soils from Camiguin Island (Southern Philippines) Using Natural Amendments
title_short	Amelioration of Volcanic Soils from Camiguin Island (Southern Philippines) Using Natural Amendments
title_full	Amelioration of Volcanic Soils from Camiguin Island (Southern Philippines) Using Natural Amendments
title_fullStr	Amelioration of Volcanic Soils from Camiguin Island (Southern Philippines) Using Natural Amendments
title_full_unstemmed	Amelioration of Volcanic Soils from Camiguin Island (Southern Philippines) Using Natural Amendments
title_sort	amelioration of volcanic soils from camiguin island (southern philippines) using natural amendments
granting_institution	Universiti Putra Malaysia
granting_department	Faculty of Agriculture
publishDate	2000
url	http://psasir.upm.edu.my/id/eprint/10512/1/FP_2000_7.pdf
_version_	1804888556963889152

Amelioration of Volcanic Soils from Camiguin Island (Southern Philippines) Using Natural Amendments

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