1. 1990
2. Water relations of salt stressed wheat

   Arif, H. (Author), Jan 1990

   Student thesis: Doctor of Philosophy

3. 1989
4. Vegetation succession following the clearance of Rhododendron in the Vale of Ffestiniog.

   Hockley, T. G. (Author), Oct 1989

   Student thesis: Doctor of Philosophy

5. 1988
6. Studies of the biological activity of a novel herbicide (Triasulfuron) including studies of mobility and persistence in soils.

   Oppong, F. K. (Author), Oct 1988

   Student thesis: Doctor of Philosophy

7. Cost benefit analysis and sustained yield forestry in India.

   Kumar, P. J. D. (Author), Price, C. (Supervisor), Jan 1988

   Student thesis: Doctor of Philosophy

8. 1987
9. Forest recreation use patterns user behaviour and recreational value in Malaysia.

   Sabri, W. M. W. (Author), Nov 1987

   Student thesis: Doctor of Philosophy

10. Genetic and environmental factors in the migration of the African armyworm moth, Spodoptera exempta (Walker) (Lepidoptera :Noctuidae).

    Woodrow, K. P. (Author), Sept 1987

    Student thesis: Doctor of Philosophy

11. Studies of leaf growth in barley

    Maan, A. A. S. (Author), Jan 1987

    Student thesis: Doctor of Philosophy

12. 1986
13. Geochemical and mineralogical studies of the weathering of Silurian argillaceous rocks

    Chapman, P. (Author), Sept 1986

    Student thesis: Doctor of Philosophy

14. Sudies on the epidemiology of a Nigerian strain of Schistosoma haematobium with particular reference to the molluscan hosts

    Fryer, S. E. (Author), Mar 1986

    Student thesis: Doctor of Philosophy

15. Physiological aspects of tillering in barley (Hordeum distichum).

    Woodward, E. J. (Author), Jan 1986

    Student thesis: Doctor of Philosophy