الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
 |  | from | 154 |  |  |
| | | from | 154 | | |
Abstract
The present study was carried- out during the two seasons of 2007 and 2008 at antoniades research branch, horticulture research institute, A. R. C. alexandria, egypt. The study was a trial to investigate the effects of different levels of nitrogen.