EFFECT OF LIMING, N AND P FERTILISATION OF A LIXISOL ON THE GROWTH OF SELECTED SOYBEAN CULTIVARS UNDER SUB-HUMID TROPICAL CONDITIONS IN ZIMBABWE - Soybean and Wheat Crops: Growth, Fertilization, and Yield - page 101

Mugwira, L.M. and Haque, I. Screening forage and browse legume germplasm to nutrient
stress. J. Plant Nutr. , 1993, 16, 17-35.
Mugwira, L.M. and Nyamangara, J. Organic carbon and plant nutrients in soils under maize
in Chinamhora Communal Area. In: L Bergstrom and H. Kirchman (eds). Carbon and
nutrient dynamics in natural and agricultural tropical systems. C.A.B International,
Wallingford, UK, 1998, 15-21.
Mullen M.D, Isarael, D.Wand Wollum II. Effects of Bradyrhizobium japonicum and
soyabean ( Glycine max (L) Merr ) phosphorus nutrition on nodulation and dinitrogen
fixation. Applied Environ. Microbiol., 1998, 42, 272 - 276.
Mpepereki S. Characterization Studies of Rhizobia in Some Zimbabwean Soils. DPhil Thesis.
University of Zimbabwe, Harare, Zimbabwe, 1994.
Nyamangara J., Mugwira L.M. and Mpofu S.E. Soil fertility status in communal areas of
Zimbabwe in relation to sustainable crop production. J. Sust. Agric., 2000, 16, 15-29.
Nyamapfene, K. Soil of Zimbabwe. Nehanda Publishers, Harare, Zimbabwe, 1991.
O'Hara, G.W. and Glenn, A.R. The adaptive acid tolerance response in root nodule bacteria
and Escherichia coli. Archives Microbiol. 1994, 16, 316-319.
Pandey, S., Ceballos, H., Magnavaca, R., Bahla Filha, A.F.C., Duque-Vargas, J. and Vinasco,
L.E. Genetics of tolerance to soil acidity in tropical maize. J.Crop Sci. , 1994. 34: 1511-
1514.
Richardson, A. E., Henderson, A. P., James, G. S. and Simpson, J. R. Consequences of soil
acidity and the effect of lime on the nodulation of Trifolium sunterraneum [L] growing in
acid soil. Soil Biol. Biochem., 1988, 20, 439-445.
Roychaundauri, M, Kumar, K and Raychaundiri, S. Lime - rhizobium interaction on
soyabean in Kanhaplohumolt of Manipur Hills. Journal of the Indian Society of Soil
Science, 1997, l45, 739 - 742.
Sprent, J. I. And Sprent, P. Nitrogen fixing Organisms - Pure and Applied Aspects.
Champman and Hall, London, 1990.
Tatterfield, J.R. Soyabean production and research in Zimbabwe. Seed Co-op Company of
Zimbabwe. Harare, Zimbabwe, 1996.
Watkins, E., O'Hara, G. and Glenn, A. Calcium and acid stress interact to affect the growth of
Rhizobium leguminousarum bv trifiolii. Soil Biol. Biochem., 1997, 29: 1427 - 1432.
Whingwiri, E.E. Integrating soyabeans in smallholder cropping systems: lessons from
Hurungwe District soyabean project 1986-1989. In: S. Mpepereki, K.E. Giller and
Makonese, F. (Eds.) Soyabean in smallholder cropping systems of Zimbabwe: potential
contribution of from BNF. Soil Fertnet, Harare, Zimbabwe, 1996.
Wolfgank, K. and Martin, P. Influence of nitrogen on the number of N2 fixing and total
bacteria in the rhizosphere. Soil Biol. Biochem., 1988, 20, 221-225.
Wynch, R.D. and Rains, D.W. Simultaneous measurements of nitrogen fixation estimated by
the acetylene-ethylene assay and nitrate absorption by soyabeans. Pl. Physiol., 1978, 62:
442 - 448.
Zengeni, R. Manure and soil properties effects on survival and persistence of soybean
nodulating Rhizobia in smallholder field conditions of Zimbabwe. Unpublished Master of
Philosophy thesis, University of Zimbabwe, Harare, Zimbabwe, 2004.