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Now showing items 21-24 of 24
Aeromagnetic Geophysical Investigation In El-Faiyum District, Western Desert, Egypt
(
Qatar University
, 1985 , Article)
The present paper deals with the interpretation of the aeromagnetic survey executed over the Faiyum area. Western Desert, Egypt. Qualitative as well as quantitative interpretation of the aeromagnetic data were carried out ...
Biological effects of gamma radiation on stored product insects. 4 - radiation effects on sex pheromone production and perception by the rust-red flour beetle. Tribolium castaneum (herbst)
(
Qatar University
, 1985 , Article)
Irradiation of the rust-red flour beetle, T. castaneum at different doses of gamma radiation considerably affected sex pheromone production by females and perception by males. The production of sex pheromone by virgin ...
A comparative study of the effects of clumping, substrate, light, depth of burial and soil moisture upon the germination of seeds of weeds and crops grown in the sudan gezira.
(
Qatar University
, 1985 , Article)
The influence of the number of seeds per clump upon germination of oryza sativa L., Gossypium hirsutum L., Brachiaria eruciformis (Sm.) Griseb, Dinbera retroflexa (Vahl) Panz. and Echinochloa colonum (L.) Link was investigated ...
Botanical Exploration Of Sinai
(
Qatar University
, 1985 , Article)
The history of the botanical exploration of Sinai has been reviewed. It has been divided into the following periods:
I. Expeditions in the eighteenth century.
II. Exploration from 1800 till the publication of "Florula ...