Located in the northwest of the country at a hundred kilometres east of Oran, the Plain of Mina, with an area of about 900 km2, medium altitude 80 m, a semi-arid to arid climate, is a portion of subsidence in the Lower ...
Control soil salinity, with the knowledge of the spatial distribution and its evolution over time, it becomes necessary to lead to strategies sustainable agricultural development. The conventional method for determining ...
In order to optimize the fertility of mares, the first postpartum ovulation requires special attention to the follicular dynamics. In the first part of our work, 37 Purebred Arabian mares and 13 mares barber aged 05-25 ...
Helicobacter pylori live in the human stomach. It is considered among the rare known micro-organisms being able to survive in such an acid environment. Currently the number growing of therapeutic failures is due to the ...
All the problems, related to conventional agriculture are a reference to the search for the sustainable solutions. In this context, a comparative study between three agroforestry systems (Citrus sinensis, Olea europaea and ...
Located in the North-West of Algeria, the foothills of Dahra are affected by the problems of water water erosion where agricultural soils are under severe degradation due to the mismatch influence between a semi-arid climate ...
La nuisibilité des pucerons découle principalement de leur capacité de coloniser de nouvelles plantes hôtes. Ainsi, l’espèce Aphis gossypii qui a été signalée pour la première fois sur poivron en Algérie en serre au début ...
The versatility of Aluminium chemistry will ensure its burgeoning use in the future in all manner of applications. This very same chemistry will also ensure its increased biological availability in all biota including Man. ...
Salinity constitutes a main issue with ecological balance and the development of
agriculture in the whole world, particularly the Mediterranean basin and North Africa.
This phenomenon is regarded as the abiotic factor ...
حشرة المن اخطر افة عــلى محاصيل الخضروات. يعتبر هذا البحث كمساهمة للمقاومة الحيوية فى ايطار المكافحة المتكاملة ضد هده الحشرة الخطيرة و ذ لك باستعمال الاعداء الطبيعية له . تمت هذه الدراسة على صنفين من المن هما Aphis ...
The work is a study on the tomato leafminer Tuta absoluta Meyrick (Lepidoptera: Gelechiidae)
which is the most important pest of tomato in Algeria. It causes spectacular damages since its
introduction in 2008. The control ...
T h e proliferation of the tomato leafminer Tuta absoluta Meyrick (Lepidoptera:
Gelechiidae), during 2008s and 2009 in all Mediterranean Basin profoundly destabilized the
sector of tomato because it destroyed a big ...
Our study is based on physicochemical, hydrobiologic and fisheries datas, for a comparative analysis to large scales over two years period (2009 and 2010), in order to characterize the complex ecosystems where Oued Cheliff ...
The Algerian steppe is the backbone of the pastoral activity. The sheep provides over 50% of red meat consumed locally; however, this grazed ecosystem it was for decades engaged in a process of degradation. The causes that ...
In this study, we have revised the systematics of some aspidochirote holothurians of the Algerian
coast, using a part of a database provided by Mezali (2008). The detailed study of the
morphological, anatomical, molecular ...
La présente étude s’inscrit dans le souci du maintien de l’équilibre de la flore intestinale et de la lutte contre les toxi-infections alimentaires, telle que la dysenterie, par l’emploi de souches expérimentales ...
Résumé
Notre étude porte sur l’identification de quelques espèces de Pseudomonas (P4,
P5, P7 et P8) isolées des sols salés du nord ouest Algérien et l’effet de leurs métabolites
sur la croissance de Alternaria alternata ...
In arid and semi arid areas, soil salinization is a major ecological constraint. Unlike salt tolerant halophytes, most plants are stored in the group of glycophytes, whose physiological and biochemical processes are affected ...