Some observations on the effect of forest tree species on ground vegetation at Pabbi Forest, Kharian
Some observations on the effect of forest tree species on ground vegetation at Pabbi Forest, Kharian
Bashir Hussain Shah
ABSTRACT
Observations on the percent cover and forage production
of ground vegetation under four years old plantation
showed that Eucalyptus camaldulensis, Acacia nilotica
and Leucaena leucocephala have a higher allelopathic
effect on the growth of grasses under them as compared
to Zizyphus mauritiana, Acacia modesta, Dalbergia sissoo
and Albizzia lebbek. The cover percent of the vegetation was lowest (8.25%) under Eucalyptus camaldulensis and
highest under Zizyphus mauritiana (83%). The cover
percent under Acacea midesta and L.leucocephala was 64,
60, 53, 29, and 16%respectively. The forage production
data also showed the same trend. It was 4675, 4050,
3200, 2450, 1775, 775 and 662 kg per gertare in the plots
planted with Z.mauritiana, A. midesta, D. sissoo. A. lebbek, A.
nilotica. L. leucocephala and E. camaldulensis
respectively.
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December 1991
Vol. 41, Iss. 4
