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Abstract
Maize Zea mays L.) i one of the mo I impertanicereal
crops i.1Ithe world and ranks the UliJ<1 of 1110Stimportant cereal
crops u the world. 1 . it ranks the tJlird of til world cereal
crop which stupa sed by wheal and lice. III the U A maize i
con idered the king of cereal crops,
III Egypt. ,filize is es ennel for human and Iivesto kg
consumption a an available source of carbohydrate, oi I and
slighrl fur protein, It i required for several indasrrial purpos.e-,S
Hell as rarch and oil.
TIle growin area of maize ill E pr during 2005 year is
About 2,257,14 feddan” witb l’l total grain yield of 7,698,000
ton”, he ilwr, ge gl’ain yield prcdncrioa P r 11 ldan wa about
3410.5 kg”, TIle lOlal production mpplies 80 % of the require
consumption with a redn rlou gap of 200 which b:a to be filled
via impol1iltiou.
Recently efforts are being 11 de 10 increase maize
productivity by using the appropriate preceding winter crops.
tillage treatments and nitrogen fertilization,
Determination the place of maize in the lOp rotation and
the optimal system of seedbed preparation a well i\ the required
rate of uitrogen fertilization are of the main unportant practices
of great contribution for the highest production of better quality.