الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
The problem of salinity assumes special importance
in Egypt both for tile old cultivated areas as well as
for the newly reclaimed land. The soils being under hot
and arid climate have actual or potential salinity.
In the cultivated area of Egypt salinity was not
a problem under the basin irrigation system. However,
with the application of the perennial irrigation system
without drainage, secondary salinization started to
affect wide areas of these soils. At present, it is assumed
that about 2 million acres are salt affected soils by different
degrees. Most of these areas are located in the northern
part of the Delta and in El-Fayo~ depression in
addition to many saline areas scattered witbin the cultivated
land. In aost cases shallow saline ground water plays
an iaportent role in the secondary salinization process.
In ~;.y:g:; great attention has. been paid to the investigations
on the saline soils. ~he present study could be
considered as a contribution to this subject. The study
v;as car:::-ied ou:; on some salt-affec-ced soils in the northern
part of the Delta and in ~1-Fayoun depression. The ain
·was to give :::!lore information abou”G tl:.eir r1ineralogica.l and
c~e~ical c~ar~cteris~ics.