The effect of land uses on the permeability and physical characteristics of soil in different regions of Northern Watersheds
The effect of land uses on the permeability and physical characteristics of soil in different regions of Northern Watersheds
Muhammad Hanif and Bashir Hussain Shah
ABSTRACT
Results of a study on the effect of different land uses
on the physical characteristics of soil are presented.
Permeability, bulk density, porosity, moisture holding
capacity and texture of soil were observed under
forests, agriculture and range vegetation at five sites
in scrub, chirpine, kail, fir-spruce and dry temperate
zones. Analysis of soil samples showed that soil under
forest had higher permeability, porosity and water
holding capacity as compared to soil under agriculture
and pasture while the bulk density of soil under forest
was lower than that of soil under agriculture and range vegetation. However, except for permeability these
values were not significantly different from each other.
On the other hand, in all land uses, permeability,
moisture holding capacity and porosity values were
higher for surface soil than those below 0.3 meter depth
but these differences were only significantly less at
the surface than that below 0.3 meter depth of soil.
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December 1989
Vol. 39, Iss. 4
