De-inking Sludge and Phosphorus Effects on Growth and Symbiotic Dinitrogen Fixation in Forage Legumes

Iraj Allahdadi, Chantal J. Beauchamp, Francois P. Califour, Hamideh Khalaj and M.R. Labafi. H.A

Pakistan Journal of Biological Sciences 10 ( 14 ): 2379 - 2388 , 2007