[1] S.N. Acharya, J.E. Thomas and S.K. Basu (2008). Fenugreek, an alternative crop for semiarid regions of North America. Crop Science, 48: 841-853.
[2] K. Srinivasan (2006). Fenugreek (Trigonella foenum-graecum): A review of health beneficial physiological effects. Food Rev. Internat., 22 (2) : 203–224.
[3] Y.A. Hamdi (1982). Legume inoculants, legume inoculation and improving soil fertility. FAO Soils Bull., 5: 193-202.
[4] P. Graham and C. Vance (2000). Nitrogen fixation in perspective: An overview of research and extension needs. Field Crops Research, 65: 93-106.
[5] C. Wortman, R. Kirkby, C. Eledu and D. Allen (1998). Atlas of Common Bean (Phaseolus vulgaris L.) Production in Africa. CIAT Publication No. 297. International Center for Tropical Agriculture, Cali.
[6] R.E. Blackshaw, R.N. Brandt, H.H. Janzen and T. Entz (2004). Weed species response to phosphorus fertilization. Weed Sci., 52 (3): 406-412.
[7] N.A. Haque and S.R. Dave (2005). Ecology of phosphate solubilizers in semi-arid agriculture soils. Indian J. Microbiol., 45: 27-32.
[8] V. Rubio, F. Linhares, R. Solano, A.C. Martín, J. Iglesias and A. Leyva (2001). A conserved MYB transcription factor involved in phosphate starvation signaling both in vascular plants and in unicellular Algae. Genes and Development, 15: 2122-2133.
[9] P. Ndakidemi and J. Semoka (2006). Soil Fertility Survey in Western Usambara Mountains, Northern Tanzania. Pedosphere, 16: 237-244.
[10] H. Han, S. Supanjani and K.D. Lee (2006). Effect of co-inoculation with phosphate and potassium solubilising bacteria on mineral uptake and growth of pepper cucumber. Plant Soil Environment. 52(3):6-130.
[11] A.K. Geol, R.D. Laura, D.V. Pathak, G. Anuradha and A. Geol (1999). Use of biofertilizers: Potential, constraint and future strategies review. International. J. Trop. Agric., 17: 1-18.
[12] S.A. Mahfouz and M.A. Sharaf-Eldin (2007). Effect of mineral vs biofertilizer on growth, yield and essential oil content of fennel (Foeniculum vulgare Mill.). Int. Agrophysics, 21: 361-366.
[13] H. Antoun (2003). Field and Greenhouse trials performed with phosphate solubilizing bacteria and fungi. Department of soil and agrifood Engineering, Faculty of Agriculture and Food science, Laval University Québec, Canada. 4: 67-69.
[14] N.K. Singh (2013). Plant growth promoting rhizobacteria (PGPR) in agricultural sustainability. In: Advances in Agro-technology, (Eds: H.G. Rodriguez, A.V. Ramanjaneyulu, N.C. Sarkar and R. Maiti). Vol. 1 Puspa Publishing House, Kolkata. pp. 21-42.
[15] E. Yaholom, Y. Okon and A. Dovrat (1988). Early nodulation in legumes inoculated with Azospirillum and Rhizobium. Symbiosis, 69–80.
[16] E. Gamalero, G. Lingua, G. Berta and P. Lemanceau (2009). Methods for studying root colonization by introduced beneficial bacteria. A review. In: Sustainable Agriculture (Eds: Lichtfouse E., Navarrete M., Debaeke P., Souchere V., Alberola C.). Springer, 601-615.
[17] M.E. Abdelgani, A.G. Osman and S.S. Mohamed (2003). Restoring soil fertility of desertified lands through biological nitrogen fixation In: Desertification in the Third Millennium (eds. A.S. Sharhan, W.W. Wood, A.S. Goudie, A. Fowler and E.M. Abdellatif). A.A. Balkima Publishers. Lisse, the Netherlands. pp. 335-338.
[18] A.A. Khan, G. Jilani, M.S. Akhtar, S.M.S. Naqvi and M. Rasheed (2009). Phosphorus solubilizing bacteria: occurrence, mechanisms and their role in crop production. J. Agric. Biol. Sci., 1(1): 48-58.
[19] A.G. Osman, A.M.E. Rugheim and E.M. Elsoni (2011). Effects of biofertilization on nodulation, nitrogen and phosphorus content and yield of pigeon pea (Cajanus cajan). Advances in Environmental Biology, 5(9): 2742-2749.
[20] A.M.E. Rugheim and M.E. Abdelgani (2011). Effects of microbial and chemical fertilization on yield and seed quality of faba bean (Vicia faba). International Food Research Journal, 19 (2): 417-422.
[21] E. Elkoca, F. Kantar and F. Sahin (2008). Influence of nitrogen fixing and phosphorus solubilizing bacteria on the nodulation, plant growth, and yield of chickpea. Journal of Plant Nutrition, 31: 157-171.
[22] K.A. Gomez and A.A. Gomez (1984). Statistical Procedures for Agricultural Research. John Wiley and Sons. New York.
[23] S. Sharma, Y. Sharma and C.M. Balai (2014). Yield attributes and yield of fenugreek (Trigonella foenum graecum L.) under different levels of phosphorus, molybdenum and inoculation of PSB. Agric. Update, 9(3): 301-305.
[24] M.S. Linu, J. Stephen and M.S. Jisha (2009). Phosphate solubilizing Gluconacetobacter sp., Burkholdia sp. and their potential interaction with cowpea (Vigna unguiculata L.). Intern. J. Agric. Res., 4(2): 79-87.
[25] S.R. Bhunia, R.P.S. Chauhan, B.S. Yadav and A.S. Bhati (2006). Effect of phosphorus, irrigation and Rhizobium on productivity, water use and nutrient uptake in fenugreek (Trigonella foenum-graecum L). Indian J. Agron., 51: 239-241.
[26] I. El-Azouni (2008). Effect of phosphate solubilizing fungi on growth and nutrition uptake of soybean (Glycine max L.) plants. J. Appl. Sci. Res., 4(6): 592-598.
[27] V. Ramesh, A.R. Agarwal and P.C. Yadav (2002). Effect of P and weed management in fenugreek. Ann. Biol., 18: 97–8.
[28] P.D. Kumawat, G.R. Chovadarg and R.G. Parteek (2003). Response of fenugreek to iron, molybdenum and Rhizobium inoculation. Advances in Plant Sciences, 19(1): 83-85.
[29] A.G. Osman, F.I. Abd-Elaziz and G.A. Elhassan (2010). Effects of biological and mineral fertilization on yield, chemical composition and physical characteristics of faba bean (Vicia faba L.) cultivar seleim. Pak. J. Nutr., 9: 703-708.
[30] J.M. Barea, D. Werner, C. Azco´n-Aguilar and R. Azco´n (2005). Interactions of Arbuscular Mycorrhiza and Nitrogen Fixing Symbiosis in Sustainable Agriculture. In: The Netherlands Agriculture, Forestry, Ecology and the Environment. (Eds: Werner, D. and Newton, W.E.). Kluwer Academic Publishers.
[31] A. Argaw (2012). Evaluation of co-inoculation of Bradyrhizobium japonicum and phosphate solubilizing Pseudomonas spp. effect on soybean (Glycine max L. (Merr.)) in Assossa area. J. Agr. Sci. Tech., 14: 213-224.
[32] R.S. Mehta, B.S. Patel, S.S Meena and R.S. Meena (2010). Influence of nitrogen, phosphorus and bio-fertilizers on growth characters and yield of fenugreek (Trigonella foenum-graecum L.). Journal of Spices and Aromatic Crops, 19 (1 and 2): 23–28.