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                                              El-Masry, T. A. and M. A. S. Barakat (1991). 
												Effect of paclobutrazol (PP333) on growth, yield and quality of some potato cultivars.Alex. J. Agric. Res. 36(2): 143- 155.   |  
                                         
                                            
                                                 
                                                Barakat, M. A. S. and El-Masry, T. A. (1991). 
											Yielding ability of tomato as affected by transplant stem diameter and foliar application with ethrel. Egypt. J. Appl. Sci., 6(11): 544 - 552.  |  
                                       
                                        
                                            
                                                 
                                                El-Masry, T. A. and M. A. S. Barakat (1992). 
												Effect of some growth regulators and its application time on growth, yield and quality of onion. Egypt. J. Appi. Sci., 7(6): 159-168.  |  
                                            
                                                 
                                                Barakat, M. A. S.; El-Masry, T. A. and Gaber, S. M. (1994) 
												Effects of set size and nitrogen-phosphorus combinations on growth, yield and quality of onion. Bulletin of Suez Canal University Applied Science. 3: 342 - 353. 
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                                                Nassar, H.H., Barakat, M.A., El-Masry, T.A., Osman, A.S.(2001). 
												Effect of potassium fertilization and pacloputrazol foliar application on seed production and seed germenability of sweet pepper. Egypt. J. Hort. 28: 101-112.  |  
                                            
                                                 
                                                Nassar, H.H., Barakat, M.A., El-Masry, T.A., Osman, A.S.(2001).Effect of potassium fertilization and pacloputrazol foliar application on vegetative growth and chemical composition of sweet pepper . Egypt. J. Hort. 28: 113-129. 
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                                                Nassar,H.H.: Barakat, M.A.S.; El-Masry, T.A. and Osman, A.S. (2006). 
												Effect of iron, zinc and manganese foliar application on vegetative growth, dry seeds yield and yield components of common bean. Annals of Agric. Sc., Moshtohor 44(3): 1153-1180.  |  
                                            
                                                 
                                               Nassar, H. H.; El-Masrv, T.A.; Barakat, M.A.S. and Tolba, M.S.(2006). 
												Influence of different nitrogen and Potassium fertilization levels on vegetative growth, heads yield and chemical composition of broccoli.Egypt. J. appl. Sc. 44(12) 1137-1176.  |  
                                           
                                             
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