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Subbarao, G V (1984) Salt tolerance of Pigeonpea (Cajanus cajan) genotypes its rhizobia and symbiotic nitrogen fixation. Masters thesis, Indian Institute of technology Kharagapur.
Kumar Rao, J V D K and Dart, P J (1987) Nodulation, nitrogen fixation and nitrogen uptake in pigeonpea (Cajanus cajan (L.) Millsp) of different maturity groups. Plant and Soil, 99 (2-3). pp. 255-266.
Chauhan, Y S and Nene, Y L and Johansen, C and Haware, M P and Saxena, N P and Singh, S and Sharma, S B and Sahrawat, K L and Burford, J R and Rupela, O P and Kumar Rao, J V D K and Sithanantham, S (1988) Effects of Soil Solarization on Pigeonpea and Chickpea. Information Bulletin No.11. Technical Report. International Crops Research Institute for the Semi-Arid Tropics.
Subbarao, G V (1988) Salinity tolerance in pigeonpea (Cajanus cajan (L.) Millsp.) and its wild relatives. PHD thesis, Indian Institute of Technology, Kharagpur, West Bengal.
Subbarao, G V and Johansen, C and Jana, M K and Kumar Rao, J V D K (1990) Effects of the Sodium/Calcium Ratio in Modifying Salinity Response of Pigeonpea (Cujanus cujun). Russian Journal of Plant Physiology, 136. pp. 439-443.
Rupela, O P and Kumar Rao, J V D K and Sudarshana, M R and Usha Kiran, M and Anjaiah, V (1991) Rhizobium Germplasm Resources at ICRISAT Center. Technical Report. International Crops Research Institute for the Semi-Arid Tropics.
Rupela, O P and Kumar Rao, J V D K and Wani, S P and Johansen, C, eds. (1994) Linking Biological Nitrogen Fixation Research in Asia: report of a meeting of the Asia Working Group on Biological Nitrogen Fixation in Legumes 6-8 Dec 1993. International Crops Research Institute for the Semi-Arid Tropics. ISBN 9290662972
Kumar Rao, J V D K and Johansen, C and Usha Kiran, M (1995) Nitrogen Requirements at Different Growth Stages of Short-duration Pigeonpea (Cajanus cajan L. Millsp). Journal of Agronomy and Crop Science, 175 (1). pp. 15-28.
Kumar Rao, J V D K and Johansen, C and Yoneyama, T and Tobita, S and Ito, O (1996) Estimation of Nitrogen Fixation by the Natural 15N-abundance Technique and Nitrogen Uptake by Pigeonpea Genotypes of Different Maturity Groups grown in an Inceptisol. Journal of Agronomy and Crop Science, 177 (2). pp. 129-138. ISSN 1439-037x
Ito, O and Johansen, C and Adu-Gyamfi, J J and Katayama, K and Kumar Rao, J V D K and Rego, T J, eds. (1996) Roots and nitrogen in cropping systems of the semi-arid tropics. Proceedings of the International Workshop: Dynamics of Roots and Nitrogen in Cropping Systems of the Semi-Arid Tropics, International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Patancheru, Andhra Pradesh, India, 21-25 November 1994. JIRCAS International Agriculture Series (3). Japan International Research Center for Agricultural Sciences, Tsukuba, Ibaraki, Japan.. ISBN 4-906635-01-6
Chauhan, Y S and Silim, S N and Kumar Rao, J V D K and Johansen, C (1997) A pot technique to screen pigeonpea cultivars for resistance to waterlogging. Journal Of Agronomy And Crop Science, 178 (3). pp. 179-183. ISSN 0931-2250
Kumar Rao, J V D K and Johansen, C and Rego, T J, eds. (1998) Residual effects of legumes in rice and wheat cropping systems of the Indo-Gangetic plain: proceedings of the Workshop, ICRISAT Patancheru, Andhra Pradesh, India, 26-28 August 1996. International Crops Research Institute for the Semi-Arid Tropics, Patancheru, Andhra Pradesh, India. ISBN 8120412974