Alleviation of Soil Acidity by Application of Compost for Grain Maize Production

Returning organic materials in the form of compost can be an alternative method of alleviating soil acidity. This is because decomposted organic materials help chelate AI, thereby reducing its toxicity to crop. A set of three experiments was conducted in a glasshouse at UPM. The first experiment...

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Main Author:	Sahar Yusuf, Enita
Format:	Thesis
Language:	English English
Published:	2002
Subjects:	Soil acidity - Corn - Case studies
Online Access:	http://psasir.upm.edu.my/id/eprint/10585/1/FP_2002_10.pdf
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id	my-upm-ir.10585
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spelling	my-upm-ir.105852024-04-18T01:38:10Z Alleviation of Soil Acidity by Application of Compost for Grain Maize Production 2002-04 Sahar Yusuf, Enita Returning organic materials in the form of compost can be an alternative method of alleviating soil acidity. This is because decomposted organic materials help chelate AI, thereby reducing its toxicity to crop. A set of three experiments was conducted in a glasshouse at UPM. The first experiment was the used of inoculant and activator in composting. This experiment was to evaluate the effectiveness of different type of inoculants as decomposters. The second experiment was a pot experiment using grain maize variety PJ-58 as a test crop to determine the best compost. The soil type was the Bungor series soil (Typic Paleudult). The third experiment (also pot experiment) was to grow grain maize on the Bungor and Kuantan series soils in order to evaluate the effectiveness of compost as a soil ameliorant. The results indicated that during compo sting the temperature of the compost increased up to > 60˚C. This showed that effective microorganisms (EM) is a good inoculant to decompose palm oil mill effluent. It was found that compost application had alleviated soil acidity. Applying compost at the rate of 20 t1ha plus 2 t GML/ha increased soil pH from 4.6 to 5.7. The exchangeable K, Ca and Mg had also increased. This treatment gave the best result. For the Bungor series soil, the critical Ca concentration in the tissue was 0.65 %, while the critical Mg concentration it was 0.42 %. The critical exchangeable Ca concentration was 2.7 cmol/kg soil. The best compost was compost type 2 (CT2) where EM as an inoculant while urea and rice branch as an activator was applied. Its application to the soil gave the high exchangeable Ca and Mg, soil cation exchange capacity and the lowest exchangeable AI. It also gave the highest maize dry weight. It was noted that compost application had improved soil fertility leading to increase in grain maize yield. Soil acidity - Corn - Case studies 2002-04 Thesis http://psasir.upm.edu.my/id/eprint/10585/ http://psasir.upm.edu.my/id/eprint/10585/1/FP_2002_10.pdf text en public masters Universiti Putra Malaysia Soil acidity - Corn - Case studies Faculty of Agriculture Jusop, Shamsuddin English
institution	Universiti Putra Malaysia
collection	PSAS Institutional Repository
language	English English
advisor	Jusop, Shamsuddin
topic	Soil acidity - Corn - Case studies
spellingShingle	Soil acidity - Corn - Case studies Sahar Yusuf, Enita Alleviation of Soil Acidity by Application of Compost for Grain Maize Production
description	Returning organic materials in the form of compost can be an alternative method of alleviating soil acidity. This is because decomposted organic materials help chelate AI, thereby reducing its toxicity to crop. A set of three experiments was conducted in a glasshouse at UPM. The first experiment was the used of inoculant and activator in composting. This experiment was to evaluate the effectiveness of different type of inoculants as decomposters. The second experiment was a pot experiment using grain maize variety PJ-58 as a test crop to determine the best compost. The soil type was the Bungor series soil (Typic Paleudult). The third experiment (also pot experiment) was to grow grain maize on the Bungor and Kuantan series soils in order to evaluate the effectiveness of compost as a soil ameliorant. The results indicated that during compo sting the temperature of the compost increased up to > 60˚C. This showed that effective microorganisms (EM) is a good inoculant to decompose palm oil mill effluent. It was found that compost application had alleviated soil acidity. Applying compost at the rate of 20 t1ha plus 2 t GML/ha increased soil pH from 4.6 to 5.7. The exchangeable K, Ca and Mg had also increased. This treatment gave the best result. For the Bungor series soil, the critical Ca concentration in the tissue was 0.65 %, while the critical Mg concentration it was 0.42 %. The critical exchangeable Ca concentration was 2.7 cmol/kg soil. The best compost was compost type 2 (CT2) where EM as an inoculant while urea and rice branch as an activator was applied. Its application to the soil gave the high exchangeable Ca and Mg, soil cation exchange capacity and the lowest exchangeable AI. It also gave the highest maize dry weight. It was noted that compost application had improved soil fertility leading to increase in grain maize yield.
format	Thesis
qualification_level	Master's degree
author	Sahar Yusuf, Enita
author_facet	Sahar Yusuf, Enita
author_sort	Sahar Yusuf, Enita
title	Alleviation of Soil Acidity by Application of Compost for Grain Maize Production
title_short	Alleviation of Soil Acidity by Application of Compost for Grain Maize Production
title_full	Alleviation of Soil Acidity by Application of Compost for Grain Maize Production
title_fullStr	Alleviation of Soil Acidity by Application of Compost for Grain Maize Production
title_full_unstemmed	Alleviation of Soil Acidity by Application of Compost for Grain Maize Production
title_sort	alleviation of soil acidity by application of compost for grain maize production
granting_institution	Universiti Putra Malaysia
granting_department	Faculty of Agriculture
publishDate	2002
url	http://psasir.upm.edu.my/id/eprint/10585/1/FP_2002_10.pdf
_version_	1804888573121396736

Alleviation of Soil Acidity by Application of Compost for Grain Maize Production

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