Open Access Research Paper Views (731) Role of plant growth promoting rhizobacteria and L-tryptophan on improvement of growth, nutrient availability and yield of wheat (Triticum aestivum) under salt stress Tamoor-ul-Hassan, Asghari Bano Int. J. Agron. & Agric. Res. 4(2), 30-39, February 2014. Keywords: Bacillus cereus, L-tryptophan, Nutrient uptake, PGPR, Salt stress Details