1. AOAC (1965) Official methods of analysis of the Association of Official Agricultural Chemists, 10th edn. p 744–745
2. Balachandar D, Raja P, Kumar K, Sundaram SP (2007) Non-rhizobial nodulation in legumes. Biotechnol Mol Biol Rev 2(2):049–057
3. Bashan Y, Puente ME, Bashan LE, Hernandez JP (2008) Environmental uses of plant growth-promoting bacteria. Plant-Microbe Interac 2008:69–93
4. Bhadoria PBS, Basu M, Mahapatra SC (2011) Study of microbial population and enzyme activities in intercropped peanut rhizosphere with different nutrient application. Br Biotechnol J 1(2):29–45
5. Dalal J, Kulkarni N (2013) Antagonistic and plant growth promoting potentials of indigenous endophytic bacteria of soybean (Glycine max L. Merril). Curr Res Microbiol Biotechnol 1(2):62–69