Volume & Issue: Volume 12, Issue 4, April 2021 
| 1 | Use of Trichoderma Spp. For Biological Control of Sugar Beet Damping- Off Caused by Fusarium Spp. | |
| Page 75-77 | ||
| A. Z. A. Ashour; A. M. El-Sawah; Aida H. Afify | ||
| 2 | Application of Some Organic Farming Methods to Enhancement The Growth and Production of Green Onion | |
| Page 79-89 | ||
| H. Abdelrahman; R. A. Zaghloul; H. A. Abou-Aly; A. A. Ragab; M. M. K. Elmaghraby | ||
| 3 | Bacteriological Quality of Drinking Water at Different Cities in Egypt | |
| Page 91-96 | ||
| Mai Abd-elhameed; M. A. E. Selim; Aida H. Afify; F. I. A. Hauka | ||
| 4 | Suppression of Sclerotium cepivorum Using Biofumigation By Glucosinolate-Containing Plant and Cyanogenic Bacteria | |
| Page 97-106 | ||
| H. M. Abdelrahman; R. M. Elmeihy; A. A. Salem | ||
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