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The diurnal patterns of gas exchange were measured for Prosopis juliflora trees grown under dryland conditions in the Sudan. Our objective was to characterize some of the physiological traits of this species to gain more insight into its ecophysiological characteristics, which may in turn contribute to the improvement of management practices. Maximum photosynthetic rates, obtained early in the morning,...
Acacia senegal, the gum arabic-producing tree, is the most important component of traditional dryland agroforestry systems in the␣Sudan. The spatial arrangement of trees and the type of agricultural crop used influence the interaction between trees and crops. Tree and crop growth, gum and crop yields and nutrient cycling were investigated over a period of 4 years. Trees were grown at 5 × 5 m and...
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