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Cellulose - Decomposing Fungi From Saudi Arabian Soils
(
Qatar University
, 1996 , Article)
Thirty fungal species belonging to fifteen genera were collected from 30 soil samples on cellulose Czapek agar. The highest number of fungal species was isolated from Dammam (20 species) followed by Niomas (18 species), ...
Mineral Content Of Soil And Wild Plants From Saudi Arabia
(
Qatar University
, 1996 , Article)
Soil and wild plant samples were collected from different localities from the industrial Yanbu city, Saudi Arabia, and analyzed for their mineral content. Soil samples from the tested localities differed greatly and contained ...
Effect Of Culture Conditions On The Production Of Growth Regulators And Extracellular Enzymes By Streptomyces Olivaceoviridis
(
Qatar University
, 1996 , Article)
It was proposed to find out the optimum environmental conditions and nutritional requirements for highest growth regulating substance and enzyme production by Streptomyces olivaceoviridis. The optimum oc-amylase and ...
Investigations on the growth abnormalities of medicago sativa l. Under field conditions
(
Qatar University
, 1996 , Article)
Morphological growth abnormalities were pursued and studied in field-grown alfalfa (Medicago sativa L.) in Al-Kharj agricultural area, south east of Riyadh. Significant differences between normal and abnormal plants were ...
Enzyme production and antibiotic susceptibility of propionibacterium acnes and p. Granulosum from acne vulgaris patients and healthy persons
(
Qatar University
, 1996 , Article)
Seventeen strains of Propionibacterium acnes and ten strains of P. granulosum were isolated from acne patients, in addition to ten isolates of each species from healthy persons. All strains were examined for their enzymatic ...
Sulphur Oxidation In Saudi Arabian Agricultural Soils
(
Qatar University
, 1996 , Article)
Laboratory studies were conducted to determine the oxidation of elemental sulphur in eight localities of Saudi Arabian soils. The effect of sulphur application on related properties of calcareous soils in Saudi Arabia was ...
Plant Population Density Effects On Yield Of Sorghum Grown In A Dry-Land Farming System
(
Qatar University
, 1996 , Article)
Plant population studies in arid regions are very sparse and not well documented. A prerequisite in growing a successful sorghum (Sorghum bicolor [L.] Moench) crop is to obtain an adequate plant population. The response ...
Evaluation of methods for screening of extracellular cellulase In filamentous fungi
(
Qatar University
, 1996 , Article)
Twenty-eight fungal species belonging to fifteen genera were isolated from Saudi Arabian soil and were screened for the production of extracellular cellulase enzymes. Cleared-zone technique, cellulose azure method and agar ...
Comparison of antibiotic susceptibilities of four species of coagulase-negative staphylococci isolated rom normal skin and acne Lesions: a statistical approach
(
Qatar University
, 1996 , Article)
Ten strains of each of four species of coagulase negative staphylococci: S. epidermidis, S. hominis, S. capitis, and S. cohnii isolated from both acne lesion and normal skin (total 80 strains) were tested for their antibiotic ...
Sem Studies On Facilitated Microbial Growth On Pac In A Biological Reactor
(
Qatar University
, 1996 , Article)
A process known as powdered activated carbon (PAC) treatment was applied to facilitate additional bacterial growth in the treatment of industrial wastewater. Refinery wastewater was fed into a pilot plant reactor at a rate ...