الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
This investigation was carried out during 1986-1987 and 1987-1988 seasons on Washington Navel , Valencia and Balady Orange trees grown in the Agrarian Reform Orhards at Shino , Kafr El-Sheikh Province. The used irrigation treatments are as follows : Treatment A : Trees were irrigated at 12 days interval ( excess of water supply ) . Treatment B : Trees were irrigated at 18 days interval ( moderate irrigation ) Treatment C : Trees were irrigated at 24 days interval ( shortage of water supply ) as control Treatment D : Trees were irrigated at 36 days interval ( dry treatment ).