Bulletin of the Rubber Research Institute of Sri Lanka

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Now showing 1 - 8 of 8

Future trends and policies in soil-plant studies
(Rubber Research Institute of Sri Lanka. Agalawatta, 1993) Yogaratnam, N.
Developments in rubber research
(Rubber Research Institute of Sri Lanka. Agalawatta, 1992) Yogaratnam, N.
Weed control in rubber plantations
(Rubber Research Institute of Sri Lanka. Agalawatta, 1991) Yogaratnam, N.; Samarappuli, L.; Dissanayake, D.M.A.P.
Use of organic materials as fertilizers
(Rubber Research Institute of Sri Lanka. Agalawatte, 1987) Yogaratnam, N.
Eppawela rock phosphate as a source of phosphorus for rubber
(Rubber Research Institute of Sri Lanka. Agalawatte, 1987) Yogaratnam, N.; De Mel, G
Sustainability of the rubber industry
(Rubber Research Institute. Agalawatte, 2004) Yogaratnam, N.
Soil management practices in rubber plantations and their effects on the environment
(Rubber Research Institute of Sri Lanka. Agalawatte, 1997) Samarappuli, L.; Yogaratnam, N.
Rubber land suitability evaluation
(Rubber Research Institute of Sri Lanka. Agalawatta, 2000) Yogaratnam, N.