REFERENCES
- Beck , D. P. 1992 . Yield and Nitrogen Fixation of Chickpea Cultivars in Response to Inoculation with Selected Rhizobial Strains . Agron. J. , 84 : 510 – 516 .
- Cobbina , J. 1995 . Herbage Yields of Pigeonpea (Cajanus Cajan) Accessions in a Humid Tropical Environment as Affected by Pruning Management . J. Agric. Sci. , 125 : 227 – 232 .
- El Hadi , E. A. 1999 . Effect of Rhizobium Inoculation and Nitrogen Fertilization on Yield and Protein Content of Six Chickpea (Cicer arietinum L.) Cultivars in Marginal Soils Under Irrigation . Nutr. Cycl. Agroecosys. , 54 : 57 – 63 .
- Quilt , P. and Dalal , R. C. 1979 . Effect of Soil Mineral Nitrogen Levels and Inoculation on Nodulation, Nitrogenase Activity, and Grain Yield of Pigeon Pea . Agron. J. , 71 : 450 – 452 .
- Somasegaran , P. , Hoben , H. J. and Gurun , V. 1988 . Effects of Inoculation Rate, Rhizobial Strain Competition, and Nitrogen Fixation in Chickpea . Agron. J. , 80 : 68 – 73 .
- Hardy , R. W.F. , Holsten , R. D. , Jackson , E. K. and Burns , R. C. 1968 . The Acetylene-Ethylene Assay for N2-Fixation: Laboratory and Field Evaluation . Plant Physiol. , 43 : 1185 – 1207 .
- Tesfai , K. and Mallik , M. A.B. 1986 . Effect of Fungicide Application on Soybean-Rhizobia Symbiosis and Isolation of Fungicide-Resistant Strains of Rhizobia japonicum . Bull. Environ. Contam. Toxicol. , 36 : 819 – 826 .
- 1985 . “ SAS Institute ” . In SAS User's Guide: Statistics , 5th Ed. Cary, NC : SAS Institute .
- Gardner , F. P. , Pearce , R. B. and Mitchell , R. L. 1985 . Physiology of Crop Plants Ames, IA : Iowa State University Press .
- Nam , N. H. , Chauhan , Y. S. and Johansen , C. 1993 . Comparison of Extra-Short-Duration Pigeonpea with Short-Season Legumes Under Rainfed Conditions on Alfisols . Exp. Agric. , 29 : 307 – 316 .
- Chauhan , Y. S. , Johansen , C. C. and Saxena , K. 1995 . Physiological Basis of Yield Variation in Short-duration Pigeonpea Grown in Different Environments of the Semi-arid Tropics . J. Agron. Crop Sci. , 174 : 163 – 171 .
- Lopez , F. B. , Johansen , C. and Chauhan , Y. S. 1994 . Limitations to Seed Yield in Short-Duration Pigeonpea Under Water Stress . Field Crops Res. , 36 : 95 – 102 .
- La Favre , J. S. and Focht , D. D. 1983 . Comparison of N2 Fixation and Yields in Cajanus cajan Between Hydrogenase-Positive and Hydrogenase-Negative Rhizobia by In Situ Acetylene Reduction Assays and Direct 15N Partitioning . Plant Physiol. , 72 : 971 – 977 .
- Pandey , R. K. and Singh , V. B. 1981 . Influence of Source and Sink Size on Flower Drop and Seed Yield of Pigeon Pea . Indian J. Agric. Sci. , 51 : 185 – 188 .
- Sheldrake , A. R. , Narayanan , A. and Venkataratnam , N. 1979 . The Effects of Flower Removal on the Seed Yield of Pigeonpeas (Cajanus cajan) . Ann. Appl. Biol. , 91 : 383 – 390 . 1979
- Rao , R. C. , Bidlack , J. E. and Demezas , D. H. 1996 . Chickpea and Pigeonpea in Wheat-Legume Cropping Systems of the Southern Great Plains . Int. Chickpea Pigeonpea Newsl. , 3 : 25 – 27 .
- Hernandez , B. S. and Focht , D. D. 1985 . Effects of Phosphorus, Calcium, and Hup− and Hup+ Rhizobia on Pigeon Pea Yields in an Infertile Tropical Soil . Agron. J. , 77 : 867 – 871 .
- Thompson , J. A. , Kumar Rao , J. V.D.K. and Dart , P. J. 1981 . “ Measurement of Inoculation Response in Pigeonpea ” . In Proceedings of the International Workshop on Pigeonpeas Vol. 1 , 249 – 253 . Patancheru, A.P., , India : International Crops Research Institute for the Semi-Arid Tropics .
- Reddy , L. J. 1990 . “ Pigeonpea: Morphology ” . In The Pigeonpea Edited by: Nene , Y. L. , Hall , S. D. and Sheila , V. K. 47 – 87 . Tucson, AZ : CAB International .