الفهرس 
1. INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
The present investigation was carried out during the successive seasons of 2009/2010 and
2010/2011 at the farm of Minufiya University in Sadat City (under drip irrigation
system). The aim of the present investigation was to study the effect of different levels of
nitrogen fertilization and two types of long path (GR) emitter - pressure compensating
(Turbo) on the yield and quality of one variety bread wheat (Triticum aestivum) in
Sadat area.
The obtained results could be summarised as follows:
Drip Irrigation had significant effect on all studied characters crop yield at harvest in
both seasons.Using level 2087m3/fed/season significantly increased spike length (cm) ,
harvest index (HI) at, foliage yield at harvest, bread wheat yield and. Application of
Level 100 kg/fed /season significantly increased spike length at harvest, weight 1000
grains , number of spikes per area, weight spike , number of grains per spike , number
of spikeletes per spike plant hight , growth rate at 45 , 75 and 105 days from sowing
and at havest, index (HI), crop growth rate (CGR) and spike yield. Significant
differences were found among the one genotypes in both seasons where ranked first and
produced the highest values of all studied characters type of emitteres long path(GR)
emittere,distance between the emitteres (25 cm) recorded the highest values of, growth
rate (75 , 105 after sowing), number of spikes in area, harvest index (HI), crop yield in
kg/faddan, plant yield and foliage yield. The interaction effect between type of emitteres,
distance between the emitteres and nitrogen levels had significant effect on spike length,
plant hight, growth rate , plant yield, weight 1000 grain , area yield,crop yield, weight
spike , number of grains in spike , number of spikeletes in spike efficiency (W.U.E).
Application of type of emitteres (GR-emittere), distance between the emitters (25 cm)
and ammonium nitrate 33.5 kg/fed with nitrogen(100 kg/fed) were optimum parameters
for all characters under this study.