Tropical Agricultural Research & Extension

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Effect of B,Co and Mo on nodulation,growth and yield of cowpea(Vigna unguiculata)
(Faculty of Agriculture, University of Ruhuna. Kamburupitiya, 2003) Subasinghe, S.; Dayatilake, G.A.; Senaratne, R.
N fixation and N transfer in maize/cowpea and sorghum /cowpea intercropping systems as determined by 15N isotope dilution technique
(University of Ruhuna Faculty of Agriculture. Kamburupitiya, 2000) Dayatilake, G.A.; Subasinghe, S.; Senaratne, R.