- Anonymous, (2010).Agricultural Statistics of India. Ministry of Agriculture, Government of India.
- Bhatnagar, P.S. and Joshi, O.P.(2004). Current status of soybean production and utilization in India. In: Proceedings of VII World Soybean Research Conference, IV International Soybean Processing and Utilization Conference, III Congresso Mundial de Soja (Brazilian Soybean Congress), Embrapa Soybean, Londina, Brazil, pp. 26–37.
- Han, T., Wu, C., Tong, Z., Rao, S.M., Tan, K. and Gai, J. ( 2006). Post flowering photoperiod regulates vegetative growth and reproductive development of soybean, Environ. Exper. Bot .55: 120-129.
- Haskett, J.D., Pachepsky, Y.V and Acock, B. (2000). Effect of climate and atmospheric change on soybean water stress: a study of Iowa, Ecol. Model. 135: 265-277.
- Jackson, M.L. (1979). Soil Chemical Analysis-Advanced Course, 2nd edn, University of Wisconsin, Madison.
- Jagdish Prasad and Hajare.T.N. (1992). Performance of two soybean (glycine max) varieties under different agronomic practices in Vertic Ustocherpts soils of Vidarbha. Indian Agron. J.. 37(2):366-368
- Joshi, O.P. and Bhatia, V.S.(2003). Stress management in soybean. In: Singh, H., Hegde, D.M. Eds.), Souvenir. National seminar on stress management in oilseeds for attaining self-reliance in vegetable oils. Indian Society of Oilseeds Research, Hyderabad, India, pp. 13–25.
- Lal, M., Singh, M.M., Srinivasan, G., Rathore, L.S., Naidu, D., and Tripathi, C.N.(1999) Growth and yield response of soybean in Madhya Pradesh India to climate variability and change. Agric. For. Meteorol. 93: 53-70.
- Lingade, S. R., Srivastava, R.,Jagdish Prasad and Saxena, R.K. (2008). Occurrence of sodic Vertisols in Nagpur district, Maharashtra. J. Indian Soc. Sci 56(1): 231-232.
- Pal, D.K., Bhattacharyya, T., Ray, S.K., Chandran, P., Srivastava, P., Durge, S.L. and Bhuse, S.R. (2006). Significance of soil modifiers (Ca-zeolites and gypsum) in naturally degraded Vertisols of the Peninsular India in redefining the sodic soils. Geoderma 136: 210-218.
- Paroda, R.S.(1999). Status of soybean research and development in India. In: Kauffman, H.E. (Ed.), Proceedings of VI World Soybean Research Conference, Chicago, IL, USA, pp. 13–23.
- Peters, D.B. and Johnson, L.C. (1960).Soil moisture use by soybean. Agron. J. 52: 687-689.
- Piper ,C. S., 1950. Soil and Plant Analysis,. Interscience publisher, Inc. New York. Pp. 368.
- Richard, L. A. (1965). Physical condition of water in soil. (In) Methods of Soil Analysis, Part I.
- Riquier, J., Bramao, D. L. and Comet, J. P. (1970). A new system of appraisal in terms of actual and potential productivity. FAO Soil Resources, Development and Conservation Services, Land and Water Development Division, FAO, Rome, Italy.
- Soil Survey Staff. (2006). Keys to Soil Taxonomy. 10th edn, USDA, Natural Resources conservation Service, Washington, DC.
- Soil Survey Division Staff. (2000). Soil Survey Manual (Indian print), USDA Handbook No. 18, US government printing office, Washington, DC.
- Storie, R. and Earl, R. (1978). Storie Index Soil Rating, Special Publication, 3203, Division of Agricultural Sciences, Universityof California, USA.
- Sys Ir C, E Van Kanst, Debaveye J and Beernaert F. (1993). Land evaluation crop requirements. Agricultural Publication No. 7, Part III, General, FAO, Rome, Italy.
- Wang, D., Shannon, M.C. and Grieve, C.M. (2001). Salinity reduces radiation absorbtion and use efficiency in soybean. Field Crops Res., 69: 267-277.
- Wang, Z., Reddy, V.R. and Quebedeaux, B. (1997). Growth and photosynthetic response of soybean to short-term cold temperature. Environ. Exper. Bot . 37: 13-24.