An attempt to compute soil erodibility factor K values for the Universal Soil Loss Equation USLE based on existing soil information in Malaysia

Ng L.W., . (2008) An attempt to compute soil erodibility factor K values for the Universal Soil Loss Equation USLE based on existing soil information in Malaysia. [Proceedings Paper]

The Universal Soil Loss Equation USLE erosion model is widely used to produce erosion risk map on a regional basis including EIA reports for agriculture in Malaysia. The USLE predicts average annual soil loss as a function of six factors viz rain erosivity soil erodibility topographic factors crop cover management and conservation measures. Each of these factors may be calculated and expressed numerically. The empirical value of the soil erodibility factor as measured from soil erosion plot is very limited. However in the USLE a Soil Erodibility Nomograph has been established to deduce the soil erodibility factor based on certain soil parameters. This paper outlined the procedures and assumption used to derive the value of soil erodibility such as analytical data on soil samples and organic matter content beside soil structure and drainage class in the soil profile description. The soil erodibility values for some 170 soil series has been computed with ease using a spreadsheet program.

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Abstract

The Universal Soil Loss Equation USLE erosion model is widely used to produce erosion risk map on a regional basis including EIA reports for agriculture in Malaysia. The USLE predicts average annual soil loss as a function of six factors viz rain erosivity soil erodibility topographic factors crop cover management and conservation measures. Each of these factors may be calculated and expressed numerically. The empirical value of the soil erodibility factor as measured from soil erosion plot is very limited. However in the USLE a Soil Erodibility Nomograph has been established to deduce the soil erodibility factor based on certain soil parameters. This paper outlined the procedures and assumption used to derive the value of soil erodibility such as analytical data on soil samples and organic matter content beside soil structure and drainage class in the soil profile description. The soil erodibility values for some 170 soil series has been computed with ease using a spreadsheet program.

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Item Type:	Proceedings Paper
Additional Information:	Available at Perpustakaan Sultan Abdul Samad Universiti Putra Malaysia 43400 UPM Serdang Selangor Malaysia. mal S590.2 S683 2008 Call Number
AGROVOC Term:	SOIL
AGROVOC Term:	EROSION
AGROVOC Term:	LOSSES
AGROVOC Term:	SOIL STRUCTURE
AGROVOC Term:	SOIL ANALYSIS
AGROVOC Term:	SOIL CONSERVATION
AGROVOC Term:	MALAYSIA
Geographical Term:	MALAYSIA
Depositing User:	Ms. Suzila Mohamad Kasim
Last Modified:	24 Apr 2025 05:13
URI:	http://webagris.upm.edu.my/id/eprint/11234

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