1. Photosynthetic activity, pigment contents and growth ofRicinus communis plant as influenced by salinization treatments. - Proc. Annu. Meeting Saudi Arabian;Ahmed;Biol. Soc,1978
2. Growth, photosynthesis and fat content of some oil producing plants as influenced by some salinization treatments;Ahmed;Phyton,1979
3. Physiology of some Nile algae. I. Effect of incresed NaCl concentration in the medium;Ahmed;Acta Hydrobiol,1985
4. Impairment of photosynthesis by sodium deficiency and its relationship to nitrogen fixation in the cyanobacteriumAnabaena torulosa