Bhangoo M. S. & Albritton D. J. (1976). Nodulating and non-nodulating Lee soya bean isolines response to applied nitrogen. Agronomy Journal 68, 642–645.
Burton J. C. (1976). Pragmatic aspects of the Rhizobium: leguminous plant association. In Proceedings 1st International Symposium on Nitrogen Fixation (ed. Newton W. E. and Nyman C. J.), vol. 2, pp. 429–446, Washington State University Press.
Candlish E. & Clark K. W. (1975). Preliminary assessment of small faba beans grown in Manitoba. Canadian Journal of Plant Sciences 55, 89–93.
Cooper D. R., Hill-Cottingham D. C. & Lloyd-Jones C. P. (1976). Absorption and redistribution of nitrogen during growth and development of field bean, Vicia faba. Physiologia Planlarum 38, 313–318.
Dean J. R. & Clark K. W. (1977). Nodulation, acetylene reduction and yield of faba beans as affected by inoculum concentration and soil nitrate level. Canadian Journal of Plant Sciences 57, 1055–1061.
Dean J. R. & Clark K. W. (1980). Effect of low level nitrogen fertilization on nodulation, acetylene reduction and dry matter in faba beans and three other legumes. Canadian Journal of Plant Sciences 60, 121–130.
Evans L. E., Seitzer J. F. & Bushuk W. (1972). Horsebean a protein crop for western Canada? Canadian Journal of Plant Sciences 52, 657–659.
García R. & Hanway J. J. (1976). Foliar fertilization of soybean during the seed-filling period. Agronomy Journal 68, 653–657.
Gates C. T. & Miller W. J. (1979). Nodule and plant development in the soybean, Glycine max (L.) Merr.: growth response to nitrogen, phosphorus and sulphur. Australian Journal of Botany 27, 203–215.
Hill-Cottingham D. C. & Lloyd-Jones C. P. (1980). The influence of nitrate supply on nitrogen fixation during growth of the field beans Vicia faba in sand. Physiologia Plantarum 48, 116–120.
Janssen K. A. & Vitosh M. L. (1974). Effect of Time, sulphur and molybdenum on nitrogen fixation and yield of dark red kidney beans. Agronomy Journal 66, 736–740.
Lluch C., Gomez M. & Olivares J. (1976). Effect of sulphur as foliar fertilizer on beans. Anales de Edafología y Agrobiología 35, 567–579.
McEwen J. (1970). Fertilizer nitrogen and growth regulators for field beans (Vicia faba L.). I. The effects of seed bed applications of large dressings of fertilizer nitrogen and the residual effects on following winter wheat. Journal of Agricultural Science, Cambridge 74, 61–66.
Munns D. N. (1968). Nodulation of Medicago sativa in solution culture. II. Compensating effect on nitrate and of prior nodulation. Plant and Soil 28, 246–257.
Oke O. L. (1969). Sulphur nutrition of legumes. Experimental Agronomy 5, 111–116.
Pate J. S. (1976). Physiology of the reaction of nodulated legumes to environment. In Symbiotic Nitrogen Fixation in Plants (ed. Nutman P. S.), pp. 335–360. Cambridge University Press.
Pate P. S. & Dart P. J. (1961). Nodulation studies in legumes. IV. The influence of inoculum strain and time of application of ammonium nitrate on symbiosis response. Plant and Soil 15, 329–346.
Richardson D. A., Jordan D. C. & Garrard E. H. (1957). The influence of combined nitrogen on nodulation and nitrogen fixation by Rhizobium meliloti Dangeard. Canadian Journal of Plant Sciences 37, 205–214.
Sosulski F. W. & Buchan J. A. (1978). Effect of Rhizobium and nitrogen fertilizer on nitrogen fixation and growth of field peas. Canadian Journal of Plant Sciences 58, 553–556.
Spencer K. (1975). Sulphur requirements of plants. In Sulphur in Australian Agriculture (ed. McLachlan K. D.), pp. 98–108. Sydney University Press.
Vincent J. M. (1970). A Manual for the Practical Study of Root Nodule Bacteria. Oxford: Blackwell Scientific Publications.
Welch L. F., Boone L. V., Chambliss C. G., Christiansen A. T., Mulvaney D. L., Oldham M. G. & Pendleton J. W. (1973). Soybean yields with direct and residual nitrogen fertilization. Agronomy Journal 65, 547–550.
Witty J. F., Roughley R. J. & Day J. M. (1980). Reduction of yield of Vicia faba by foliar fertilization during the seed filling period. Journal of Agricultural Science, Cambridge 94, 741–743.
Wooding F. J., Paulsen G. M. & Murphy L. S. (1970). Response of nodulated and non-nodulated soybean seedling to sulphur nutrition. Agronomy Journal 62, 277–288.