Soil suitability classification systems for Hevea brasiliensis cultivation

Yew F. K., . and Chan H. Y., . Soil suitability classification systems for Hevea brasiliensis cultivation. pp. 290-302. ISSN 0127-7065

Four systems of soil suitability classification for Hevea brasiliensis viz Soil Suitability Classification System for Rubber Soil Suitability Technical Grouping System for Rubber Soil Suitability Evaluation System for Rubber using Land Characteristics and Soil Suitability Evaluation System for Rubber using Land Qualities were tested for thirteen common soils in Peninsular Malaysia. The first system is non-parametric and simple to use but lacks precise definitions of criteria which leads to much subjectivity in usage. The others are more precise in their definitions of criteria and also parametric in approach. The second system is an additive system while the last two are multiplicative systems. Among the parametric systems the multiplicative systems are superior in soil classification and yield prediction. All the systems correctly classify the very suitable and the unsuitable soils for rubber. However they have different abilities to classify soils which have suitabilities between these two levels. The last system which uses land qualities as diagnostic criteria was found to be the best system as it predicted soil suitability better than the others.

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Abstract

Four systems of soil suitability classification for Hevea brasiliensis viz Soil Suitability Classification System for Rubber Soil Suitability Technical Grouping System for Rubber Soil Suitability Evaluation System for Rubber using Land Characteristics and Soil Suitability Evaluation System for Rubber using Land Qualities were tested for thirteen common soils in Peninsular Malaysia. The first system is non-parametric and simple to use but lacks precise definitions of criteria which leads to much subjectivity in usage. The others are more precise in their definitions of criteria and also parametric in approach. The second system is an additive system while the last two are multiplicative systems. Among the parametric systems the multiplicative systems are superior in soil classification and yield prediction. All the systems correctly classify the very suitable and the unsuitable soils for rubber. However they have different abilities to classify soils which have suitabilities between these two levels. The last system which uses land qualities as diagnostic criteria was found to be the best system as it predicted soil suitability better than the others.

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Item Type:	Article
AGROVOC Term:	Soil
AGROVOC Term:	Cultivation systems
AGROVOC Term:	Rubber crops
AGROVOC Term:	Hevea brasiliensis
AGROVOC Term:	Agricultural systems
AGROVOC Term:	Farming systems
AGROVOC Term:	Land evaluation
AGROVOC Term:	Classification systems
AGROVOC Term:	Soil physical properties
AGROVOC Term:	Soil physicochemical properties
Geographical Term:	Malaysia
Depositing User:	Ms. Suzila Mohamad Kasim
Last Modified:	28 Apr 2025 04:42
URI:	http://webagris.upm.edu.my/id/eprint/23466

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