Variability of soil properties along the southern slope of Mt. Banahaw, Quezon, Philippines

Date

6-2016

Degree

Bachelor of Science in Agriculture

Major Course

Major in Soil Science

College

College of Agriculture and Food Science (CAFS)

Adviser/Committee Chair

Nicole Louise Timbas

Abstract

The study was conducted to determine the variability of soils along the southern slope of Mt. Banahaw, Quezon, Philippines. Three landscape positions were identified along the southern slope: convex creep slope, transportational midslope and colluvial footslope. Five pedons were selected and sampled along the transect. Morphological characteristics were examined in situ, while physical and chemical properties were measured at the laboratory. Soil depth and clay fraction was highest at the transporational midslope (Pedons 2 and 3). Soils at the convex creep slope (Pedon 1) and colluvial footslope (Pedons 4 and 5), showed darker soil color which can be attributed to high levels of organic matter in these landscape positions. Increasing silt fraction was observed downslope. CEC and percent base saturation was lowest at the transportational midslope. Soils were classified as Inceptisols and Alfisols. Slight erosion risk was obtained in Pedons 1 and 4, while moderate erosion risk was obtained in Pedons 2, 3 and 5. Aside from landscape position, inherent soil properties and land use affects the susceptibility of the soils to erosion. Proper management practices should be applied on sites that are moderately to highly susceptible to erosion to minimize soil loss.

Language

English

Location

UPLB Main Library Special Collections Section (USCS)

Call Number

LG 993.5 2016 A3 /D43

Document Type

Thesis

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