RRI Publications
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Item Studies on inoculation of cover legumes for improving nitrogen fixation(Rubber Research Institute. Agalawatta, 1977) Waidyanatha, U.P. De S.; Pathiratne, L.S.S.; Ariyaratne, W.A.Many rhizobial strains were screened for their nodulating ability against Pueraria, Centrosema, Calopogonium and Desmodium spp. using seedlings grown in nutrient agar. Pueraria in pots but not in the field. This is probably due to natural populations of rhizobia in the soil which were able to successfully compete with the introduced strains in nodulating on the legume. There was evidence that indigenous rhizobia themselves formed effective nodule and fixed nitrogen.Item The efficiency use of phosphatic fertilizer in relation to the phosphorus fixing capacities of the rubber soils(Rubber Research Institute. Agalawatta, 1977) Silva, C.G.; Kumarakulasuriya, S.; Wickramasinghe, L.J.Item Feasibility of rubber (Hevea brasiliensis Muell.Arg.) cultivation in Eastern province of Sri Lanka with the peasant community(Rubber Research Institute. Agalawatta, 2010) Iqbal, S.M.M.; Rodrigo, V.H.L.; Karunathilake, P.K.W.Item Urea as a nitrogen fertilizer for rubber plantations in sri lanka II.. agronomic investigations(Rabbur Research Institute of Sri Lanka. Agalawaththa, 1981) Yogarathnam ,N.; Perera, M.A.Item Nutritional status of rubber growing soils in the Moneragala district(Rubber Research Institute . Agalawatta, 2005) Dharmakeerthi, R.S.; Silva, S.N.; Yakandawala, A.; Jayasinghe, W.K.Item Distribution of Mn and Zn in rubber growing soils and its status in relation to selected management practices(Rubber Research Institute. Agalawatta, 2000) Samarappuli, L.; Perera, A.M.A.; Lalantha, H.K.; Rajapakse, W.