| 1. | Degradation of chlorpyrifos and carbaryl soil: Influence of temperature and soil moisture | |
| Pages 1-14 | ||
| Hesham F. H. Hafez | ||
| 2. | Larvicidal and ovipositional activity of Calotropis procera, neemazalt and Eucalyptus spp. against Culex pipiens | |
| Pages 15-26 | ||
| D. Al-Rajhy; Hamdy I. Hussein; M. S. El-Osta; A. G. Ali | ||
| 3. | Monitoring of some metals in some canned foods | |
| Pages 27-44 | ||
| Khaled A. Osman; Nagwa M. Ghorab | ||
| 4. | Biochemical effects of the fungicide, pyrazophos on common carp (Cyprinus carpio L.) | |
| Pages 45-58 | ||
| Nagat M. Aly | ||
| 5. | Effect of some pesticide on chitinase enzyme extracted from different insects | |
| Pages 59-70 | ||
| Nader shaker; M. Morshedy; S Mansour | ||
| 6. | The effect of herbicides on growth and photosynthetic pigments of three submerged macrophytes | |
| Pages 71-84 | ||
| Mary G. Ghobrial | ||
| 7. | Population dynamics of some insects infesting Mangetout peas at different plantation dates | |
| Pages 115-130 | ||
| Neima I. Noussier | ||