4.Journals Published in Sri Lanka
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Item Area supply response to other field crops with uncertain prices and yields:the case of chilli(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1999) Mayadunne, A.G.; Bogahawatta, C.; Abeyratne, F.Item Efficient management of soil and biologically fixed nitrogen in intensively-cultivated rice fields(Eastern University. Chenkalady, 1999) Kundu, D.K.; Ladha, J.K.Item Effect of combined nitrogen on growth and nodule function or Pueraria phaseoloides(Rubber Research Institute. Agalawatta, 1991) Jayasinghe, C.K.; Wettasinghe, D.S.Nodulation and nitrogen fixation rates of most of the legumes are reported to be severely affected when they are grown in soils high in available nitrogen. Furthermore, this phenomenon may become more critical when legumes are grown in multiple cropping systems like Pueraria phaseoloides in rubber plantatons where ono legume counterpart is fertilized with nitrogenous fertilizer. Results of experiments conducted in seeding agar to find the effect of nitrogen on growth and nodule function of P. phaseoloides showed that nodulation of P. phaphaeoloides was inhibited at a concentration between 24.4 and 44.8 ppm nitrogen