Symbiotic Interactions of Acacia cyanophylla with Soil Indigenous Rhizobia in a Semiarid Mediterranean Site: Implications of Intraplant Variation in ¹⁵N Natural Abundance on N₂ Fixation Measurements

Hafedh Nasr, Mohamed Habib Ghorbel and Yvon Rene Dommergues

American Journal of Plant Physiology 1 ( 1 ): 54 - 64 , 2006