CONTENTS
Studies on Planktonic Desmids in Shadawanka River, Bauchi, Nigeria Page 109
Sindama and A.G. Ezra
GROWTH RESPONSE OF Jatropha curcas (LINN.) SEEDLINGS GROWN IN SPENT ENGINE OIL CONTAMINATED SOIL Page 114
Agbogidi, O.M., Ilondu, E.M. and Avwenagha, O. H.
Study Landslide Distribution With Using of Morphotectonic Indices in izeh-behbahan Catchment Page 119
Alireza Habibi
Agrobacterium rhizogenes-mediated genetic transformation of Hypericum perforatum L. Page 127
Morteza Akramian, Mesbah Babalar, Houshang Alizadeh, Mohammad Reza Fattahi, Javad Hadian
Studying the Morphology and some Mineral Nutrients Content of Artemisia of Karaj Habitat in Iran Page 132
Mahtab Pouyanfar, Bohloul Abbaszadeh and Seyyed Mohammadreza Hashemi