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Rao, J V D K K and Dart, P J and Khan, M U (1982) Cowpea-Group Rhizobium In Soils Of The Semiarid Tropics. In: Biological Nitrogen Fixation Technology for Tropical Agriculture, 9-13 March 1981, Cali, Colombia.
Nambiar, P T C and Rao, M R and Reddy, M S and Floyd, C and Dart, P J and Willey, R W (1982) Nitrogen Fixation By Groundnut (Arachis Hypogaea) In Intercropped And Rotational Systems. In: Biological Nitrogen Fixation Technology for Tropical Agriculture, 9-13 March 1981, Cali, Colombia.
Wani, S P and Dart, P J and Upadhyaya, M N (1983) Factors affecting nitrogenase activity (C2H2 reduction) associated with sorghum and millet estimated using the soil core assay. Canadian Journal of Microbiology, 29 (8). pp. 1063-1069. ISSN 1480-3275
Nigam, S N and Nambiar, P T C and Dwivedi, S L and Gibbons, R W and Dart, P J (1982) Genetics of nonnodulation in groundnut (Arachis hypogaea L.). Studies with single and mixed Rhizobium strains. Euphytica, 31 (3). pp. 691-693. ISSN 1573-5060
Wani, S P and Chandrapalaiah, S and Dart, P J (1985) Response of Pearl Millet Cultivars to Inoculation with Nitrogen-fixing Bacteria. Experimental Agriculture, 21. pp. 175-182.
Arunachalam, V and Pungle, G D and Dutta, M and Nambiar, P T C and Dart, P J (1984) Efficiency of Nitrogenase Activity and Nodule Mass in Predicting the Relative Performance of Genotypes Assessed by a Number of Characters in Groundnut (Arachis hypogaea). Experimental Agriculture, 20 (4). pp. 303-309. ISSN 0014-4797
Rao, J V D K K and Dart, P J and Sastry, P V S S (1983) Residual Effect of Pigeonpea (Cajanus cajan) on Yield and Nitrogen Response of Maize. Experimental Agriculture, 19 (2). pp. 131-141. ISSN 0014-4797
Rupela, O P and Mittal, S and Dart, P J and Thompson, J A and Sudarshana, M R and Toomsan, B and Annapurna, K (1991) Variability in Different Characters of Bacteria Nodulating Chickpea. International Chickpea Newsletter, 25. pp. 35-36.
Toomsan, B and Rupela, O P and Mittal, S and Dart, P J (1979) Counting chickpea rhizobia in soils. International Chickpea Newsletter, 1. pp. 10-11.
Rao, J V D K K and Matsumoto, T and Day, J M and Dart , P J (1981) Nitrogen transport compounds as a potential measure of nitrogen-fixing activity of pigeonpea. International Pigeonpea Newsletter, 1. pp. 36-38. ISSN 0255-786X
Nambiar, P T C and Nigam, S N and Dart, P J and Gibbons, R W (1983) Absence of Root Hairs in Non-Nodulating Groundnut, Arachis hypogaea L. Journal of Experimental Botany, 34 (141). pp. 484-488. ISSN 0022-0957
Giller, K E and Day, J M and Dart, P J and Wani, S P (1984) A method for measuring the transfer of fixed nitrogen from free-living bacteria to higher plants using 15N2. Journal of Microbiological Methods, 2 (6). pp. 307-316. ISSN 0167-7012
Nambiar, P T C and Dart, P J and Rao, B S and Ravishankar, H N (1984) Response of groundnut (Arachis hypogaea L.) to Rhizobium inoculation. Oleagineux (Paris) , 39 (3). pp. 149-155. ISSN 0030-2082
Nigam, S N and Dwivedi, S L and Nambiar, P T C and Gibbons, R W and Dart, P J (1985) Combining Ability Analysis of N2-Fixation and Related Traits in Peanut. Peanut Science, 12 (2). pp. 55-57.
Nambiar, P T C and Dart, P J (1983) Factors Influencing Nitrogenase Activity (Acetylene Reduction) by Root Nodules of Groundnut, Arachis hypogaea L. Peanut Science, 10 (1). pp. 26-29.
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.
Wani, S P and Upadhyaya, M N and Dart, P J (1984) An intact plant assay for estimating nitrogenase activity (C2H2 reduction) of sorghum and millet plants grown in pots. Plant and Soil, 82 (1). pp. 15-29. ISSN 0032-079X
Krishna, K R and Dart, P J (1984) Effect of mycorrhizal inoculation and soluble phosphorus fertilizer on growth and phosphorus uptake of pearl millet. Plant and Soil, 81 (2). pp. 247-256. ISSN 1573-5036
Wani, S P and Upadhyaya, H D and Dart, P J (1984) An intact plant assay for estimating nitrogenase activity (C2H2 reduction) of sorghum and millet plants grown in pots. Plant and Soil, 82 (1). pp. 15-29. ISSN 0032-079X
Rupela, O P and Toomsan, B and Mittal, S and Dart, P J and Thompson, J A (1987) Chickpea rhizobium populations: Survey of influence of season, soil depth and cropping pattern. Soil Biology and Biochemistry, 19 (3). pp. 247-252. ISSN 0038-0717
Kipe-Nolt, J A and Avalakki, U K and Dart, P J (1985) Root exudation of sorghum and utilization of exudates by nitrogen-fixing bacteria. Soil Biology and Biochemistry, 17 (6). pp. 859-863. ISSN 0038-0717
Toomsan, B and Rupela, O P and Mittal, S and Dart, P J and Clark, K W (1984) Counting Cicer-Rhizobium using a plant infection technique. Soil Biology and Biochemistry, 16 (5). pp. 503-507. ISSN 0038-0717
Rao, J V D K K and Dart, P J and Usha Kiran, M (1984) Rhizobium-induced leaf roll in pigeonpea [Cajanus cajan (L.) Millsp.]. Soil Biology and Biochemistry, 16 (1). pp. 89-91. ISSN 0038-0717