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العنوان
Studies on reclamation of saline and alkali soils /
المؤلف
El-Niams, M. M.
هيئة الاعداد
باحث / . m. el-niame
مشرف / m.k. sadik
مناقش / r. s. abdel aal
مناقش / e. a. khatter
الموضوع
Soils Salinization. Soils.
تاريخ النشر
1992.
عدد الصفحات
90 p. ;
اللغة
الإنجليزية
الدرجة
ماجستير
التخصص
الزراعية والعلوم البيولوجية (المتنوعة)
تاريخ الإجازة
1/1/1992
مكان الإجازة
جامعة بنها - كلية الزراعة - اراضى
الفهرس
Only 14 pages are availabe for public view

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Abstract

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SUMlIARY -------------
salt affectea 80ils are widely spread in the 8eaiarid
and arid regions such as Egypt, especially the northern
part and at the low areas scattered throughout the
republic.
Therefore it seems likely that intercropp1ng of
pui table salt tolerant plants even in the arabl8 1811d;
throughtrut the Nile Valley and Del’a, could be ”erT DlUch
profitable in retarding 9011 ealinity or sod1clt1 and hence
improving soil productivity.
ThiI!J study allM at finding out the capabil1t1 of
pome palt tolerant plants, 1.e., sunflower, sugar-beet,
fodder-beet and barley, a8 economical crops to remove
partially the salini t1 and sodic1 ty from irrigated salit
Iffected salle. Two Boil samples representing • highl1
and mOderately salt affected Boll, obtained from Sakha,
Kafr El-Sheu, were utilized in this stud.r-
A greenhouse experiment was conductea U8~Dg the
&torementioned soil samples, under three levels of eo11
Il10iprture content, i.e _, 50~, 6o~ and 8~ of AT. and the
result” obtained w11l be presented 8S foll,ow8:’
.ith respeot to the values of dry matter yielded
boY the different plant~, 1t 1s obvious that 8Ug$l’-beet and
,
fodder-beet were comparable and both were h1ghe~ than that
of the ~unflower yield which in turn wae more 8ljlper1or to
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,barley.
Comparing the efficleney of the studied crops under
~uch condition of high Ralinity, 1t is quite obrio\ts that
fodder-beet gro”n after ~unflower 11’’’8 quite l!upe.r1er to
sugar-beet either grown after sunflower or no\Jrith .oderatel,
y paline soil, bowever, sugar-beet plants showed the highe~
t efficiency tor sodium, potassium and chloride uptake, no
matter it followed sunflower or not.
Barley plant!! grown after sunflower ranked nert to
the aforementioned ones, especially at the high IeTels of
f!oils moisture. This maY be due to the high efficienci’ of
punflower plants under such conditions to remoTe elements
of gail salinity and sadie! t1 and thus rendered the~ soil
more p’uitable for barley growth. Accordingly, 1t 1Ia,f b.
concluded that the capability of all the 8tudled plants to
remove sodium, potsf!!slum and chloride from solI 11’&8 fJoundl1
increased with increasing soil moistere contnet. Such
a trend is very logic and seems to be aa1Jl17 clue to the
dilution effect re8ultei ~rom mainta1ni~ h1sh leTel .t
moisture throughout the whole period ot plant crowth.
Comparing ’the resul tB obtained troDl the greenhouse
trial with those of plants grown naturally under saline condl
tion •. several plants of sugar-beet and sw1flower were
tuen from saline t:todicsoils located at Bl-Haaool Xatr-n-
Shiekh Governorate.
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1he absorption of the different iOllS by the pl8Dts
grown experimentally followed a trend almost siDdlar to
that of plants taken from the field·However, due to
the limited volume of soil through which the absorptioD
pro~eee tOOK place, the total uptake of the different ions
wa~ obYlousl,. low in the greenhouse grown plants as compared
to tho~. obtained from the field.
It maY be concluded that the tested saline conditions
could not seriously affect the growth of these plazrhr and
the maximum yield can be achieved from both 8011s when the
poil moisture was maintained at hiGh levels ( ) ~ of J..V)•
..•.