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Register a new userدراسة الخصائص البيدولوجية لترب متطورة على بازلت في منطقة ( ضهر القصير ) وتصنيفها
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Damascus University رسالة ماجستير
Publication date
2014
fields
Agricultural Engineering
and research's language is
العربية
Created by
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تم تحضير إثنا عشر مقطعاً تمثل المنطقة المدروسة في ضهر القصير ( حمص) لتحقيق الهدف من هذه الدراسة وتم وصفها مورفولوجياً وجمعت العينات الترابية من آفاق كل مقطع بشكل منهجي وجرى تحليلها مخبرياً
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References used
زين العابدين أحمد ناجي 1974 جيولوجية الترب أساسيات علم الأراضي جامعة حلب
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To carry out this study, 12 soil profiles were selected and prepared, and soil
samples were collected from the different horizons (surface, subsurface, and C
horizon) in each profile. The results of the analyzed samples indicate that,
topographica
l factors plays an important role in determining some feature,
such as, the depth of the profile, texture, distribution of CaCO3 and the process
of swelling and the shrinking. Concerning the soil fertility, the study showed
that the soil content of microelements is ranging between moderate to low, thus
may be related to the mineralogical composition of the parent material,
weathering status, and to the use of these elements by the plants during the long
lasting exploitation of these soil without any restitution of these element. The
results indicate as well, the decrease of these elements with decreasing
elevation, i.e from the slop to the plain, this probably due to the relation
between the leaching process and topographical position, and to lesser extend to
the (pH) of the soil.
The study was performed in Barshin Research Station- General
Commission for Scientific Agriculture Research on the trees age of
13 in grafted with Golden Delicious Cultivar on three rootstocks
(seedless rootstock Malus domestica, vegetative strong
rootstock
MM109, and MM111 half strong rootstock) over the years
(2014.2015 ).The study focused on growth vigor (the stem
circumference above the grafted area ,crown size - the rate of
shoots length and productivity).
The aim of this study is to highlight some of the soil characteristics in the
area of Daher Aljabal (Sowaida), in particular, the morphological, physical,
chemical, and fertility aspects.
To achieve these objectives, five soil profiles were select
ed on a
toposequence, the profiles were described and bulk samples were systematically
collected.
The characterization of the studied soils reveals that:
-The soils area formed from the original basaltic parent materials, and the
topographical position plays a prominent role in the development and depth of
the soil profiles, and the differences in particle size distribution.
انصب اهتمام العلماء مؤخرا على دراسة العوامل والشروط الكفيلة بزيادة عائدات الارض من المحاصيل الزراعية
This study was conducted to evaluation of some marshes soil physical
characteristics at south Iraq from studying soil properties and accounting the
simple and multiple correlation coefficients and relation equations, from which
we can predicted th
e soil aggregate stability modules of rapture and soil bulk
density. Three transacts were chosen, which cover all south Iraqi marshes, with
selection of the larger marshes at every transect. The transects are: First
toward Amara included marshes of Al-Msendak, Al-Saadiah and Al-Wadiah.
Second toward Al- Nasiriah which included the marshes of Delmag, Ghumugaa
and Al-hammar. Third toward Samawa which included the marshes of Al-
Ramah and Lafti.
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