RRI Publications
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Item The effect of nitrogen rates and cutting frequencies on the productivity of two ecotypes of Panicum maximum interplanted with immature rubber(Rubber Research Institute of Sri Lanka. Agalawaththa, 1982) Dissanayake, S.N.; Waidyanatha, U.P. de S.Item Cinnamon (Cinnamomum verum J. Pres) intercropped under different inter row spacings of rubber (Hevea brasiliensis Muell. Arg.). performance after rubber reached maturity(Rubber Research Institute . Agalawatta, 2007) Pathiratna, L.S.S.; Perera, M.K.P.; Balasooriya, C.K.Item Some issues related to sustainability in the smallholder rubber sector(Rubber Research Institute . Agalawatta, 2007) Wijesuriya, W.; Dissanayake, D.M.A.P.; Herath, K.; Edirisinghe, J.; Abeywardene, V.Item Agronomic and economic viability of rubber (Hevea brasiliensis Muell. Arg.) cinnamon (cinnamonum verum J Pres.) intercropping systems involving wider inter -row spacing in rubber plantations(Rubber Research Institute. Agalawatta, 2003) Pathiratna, L.S.S.; Edirisinghe, J.C.Item Contour and East-West row planting systems or rubber (Hevea) for intercropping part III. light availability in the inter row space(Rubber Research Institute. Agalawatta, 2003) Pathiratna, L.S.S.; Perera, M.K.P.Item Contour and East -West row planting systems of rubber (Hevea) for intercropping . part ii distrubution of fine roots in the inter row space(Rubber Research Institute. Agalawatta, 2003) Pathiratna, L.S.S.; Perera, M.K.P.Item Effect of competition from rubber (Hevea) on the yield of intercropped medicinal plants, Solanum virginianum Schrad., Aerva lanata (L.) Juss. Ex. Schult and Indigofera tinctoria L.(Rubber Research Institute . Agalawatta, 2005) Pathiratna, L.S.S.; Perera, M.K.P.Item Methods of data analysis for intercropping systems under rubber(Rubber Research Institute. Agalawatta, 2001) Wijesuriya, W.; Thattil, R.O.Item Rubber cum sugarcane intercropping. a sustainable cropping system for farmers in the intermediate zone of Sri Lanka(Rubber Research Institute. Agalawatta, 2000) Rodrigo, V.H.L.; Nugawela, A.; Sivanathan, A.; Witharama, W.R.G.; 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.