00389    a2200109   4500082001600000245013600016260005500152300002000207650000900227650003100236650001200267  a633.18bRIC  aRice symposium 80bproceedings of a symposium on research, extension, education, training and seed production of rice in Sri Lanka   aPeradeniyabDepartment of  Agriculturec1980g1980  a[v],354p.c24cm  aRice  aField and plantation crops  aCereals