RSS 1.0Faculté des Sciences Biologiques et des Sciences Agronomiques
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ocidal effects of grapefruit essential oil (citrus maxima) on the lastest stages of tuta absoluta tomato mineuse (MEYRICK, 1917)
(2019-12-18)Background and aim: Since the introduction of the microlepidopter Tuta absoluta in Algeria, tomato crops in the fields and especially in greenhouses have suffered colossal losses as a result of the pest's damage. The ... -
BIOSURFACTANT PRODUCTION USING NEW LOW-COST SUBSTRATES
(2019-10-31)are focused on the use of conventional carbon sources such as glucose, fructose, pyruvate, citrate, etc., but there are very few reports on biosurfactants production using inexpensive raw materials as substrates (complex ... -
EFFECT OF LOW ELECTRIC CURRENT ON PRODUCTION OF BIOSURFACTANT BY Pseudomonas aeruginosa
(2019-10-31)Several studies have been attempted to investigate the effect of different cultural parameters on the performance of biosurfactant production by microorganisms. In literature, the studies devoted to the use of electric ... -
The goat meat sector in the mountain region: elements of its development and analysis of its value chain
(2019-10-23)The aim of this study is to determine the different various actors in the goat meat value chain in the mountainous region of Tizi-Ouzou. The study of fifteen farms goats from a prior survey of 80 farms goats, showed that ... -
Main plant species grazed by goats in two types of rangelands in Algeria: mountainous vs. Saharan
(2019-10-21)The objective of this study is to compare the pasture use and to evaluate the diversity of plant species grazed by goats in two different ecosystems: mountainous vs. Saharan range. For this, a questionnaire survey was ... -
Facilitation by nurse plant Juniperus communis subsp. hemisphaerica and its role on natural regeneration of cedar forest on the southern slope of Djurdjura (Algeria)
(2019-11-17)The main objective of this study is to determine if Juniperus communis subsp hemisphaerica, a nurse plant, plays a facilitating role in the evolutionary dynamics of the cedar forest in the massif of Djurdjura. In order ... -
Antimicrobial potential of mixed ligand copper(II) complexes with dimethylglyoxime and some amino acids
(2019-11-17)In this work, six copper(II) complexes with dimethylglyoxime and amino acids (tryptophan, glutamate, proline, arginine and valine) have been prepared and provided by coordination chemistry laboratory from Mammeri University ... -
Environmental impact assessment of a nitrogenous fertilizer (CAN 27% N) production in the Algerian plant
(2019-09-05)This paper aims to assess the environmental impact of a fertilizers produced in Algeria. The Functional Unit chosen for this study is One ton of CAN at 27% of Nitrogen. In first, a detailed inventory of energy and materials ... -
Agronomical and environmental soil quality under sewage sludge amendment and treated wastewater irrigation
(2019-12-19)This study was carried out to evaluate the agronomic proprieties and the heavy metals contamination of soils from Boumerdes. Agronomical parameters, concentration and metals speciation were determined by soils, urban treated ... -
Accompagnement de trois villages de la commune de bouzeguene (Taourirt, Ahrik, Sahel) (Tizi-Ouzou) pour la consolidation du tri/compostage des déchets ménagers
(2019-11-14)L’objectif de notre étude est l’accompagnement des trois villages (Taourirt, Ahrik, Sahel) de la commune de Bouzeguène, pour perfectionner leur schéma de gestion des déchets ménagers. Pour cela, nous nous sommes impliquées ...
