1 R7212: Incorporating local and scientific knowledge in the adaptation of intercropping practice for smallholder rubber lands A Final Technical Report on a Research Project Funded by the Department for International Developmentās Plant Science Research Programme C.M. Stirling 1 , V.H.L. Rodrigo 2 , F.L. Sinclair 1 , T.M.S.P.K. Thennakoon 1,2 and A.M.W.K. Senivirathna 1,2 1 School of Agricultural and Forest Sciences University of Wales, Bangor UNITED KINGDOM 2 Rubber Research Institute of Sri Lanka Dartonfield, Agalawatta SRI LANKA Intercroppers Non- intercroppers 20 30 40 50 60 70 P H F S N 20 30 40 50 60 70 P H F S N Intercroppers Non- intercroppers 20 30 40 50 60 70 P H F S N 20 30 40 50 60 70 P H F S N