الفهرس Only 14 pages are availabe for public view
 |  | from | 141 |  |  |
| | | from | 141 | | |
Abstract
In Egypt, it is planned to save more water for the expansion of agriculture in new areas and rice would suffer of reducation of its areas and/or suffer of less available flooding water,specially in egyptian rice breeders could not breed and enable the release of short duration and less water consumptive 9drought tolerant) new rice cultivars,therefore this investigation has been undertaken to study the effect of timing and duration of water stress on the growth, yield,yield components and yield quality of some rice varities ,and to determine the critical stage of each rice variety for water dificit.