Effect of vegetation cover on surface runoff and soil erosion of Saug Watershed [Davao del Norte and Campostella Valley Province, Philippines]

Date

2023

Abstract

Soil loss and surface runoff pattern were studied and observed in erosion plots under three different vegetation covers: Napier grass (Pinnesetum purpureum), String Beans (Vigna unguiculata) and control plot over a nine months period. The erosion plots were located at the hilly terrain at 239 meters above sea level. Each erosion plot measures 21m x 9m or 189 m sup 2. The vegetative covers were tested for the effectiveness in controlling soil loss. Under the control plot, the highest runoff value is at 364.14 mm and the erosion rate is at 8.32 tons/hectare/year. In String Beans (Vigna unguiculata), the runoff is at 313.98 mm at the erosion rate is at 5.36 tons/hectare/year while on Napier grass (Pinnesetum pupureum), the runoff is at 281.75 mm and the erosion rate is at 4.39 tons/hectare/year. The different vegetative cover was effective in reducing surface runoff and soil loss/movement.

Book Title

Effect of vegetation cover on surface runoff and soil erosion of Saug Watershed [Davao de Norte and Campostela Valley Province, Laguna]

Contributor

Cruz, R.V.O.Uddin, A.S.Maningas, R.C.Victoria, C.D.Salting, A.A.A.

En – AGROVOC descriptors

KIDNEY BEANS; VIGNA UNGUICULATA; PENNISETUM PURPUREUM; SOIL; EROSION; SURFACE AREA; RUNOFF; LAND COVER; SOIL MANAGEMENT; WATERSHEDS; PHILIPPINES

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