Produced by the Regional Research Centre of the British Caribbean at the Imperial College of Tropical Agriculture, Trinidad, B.W.I., including No.1, March 1958 (Jamaica, Parish of St. Catherine), No.2, December 1958 (St. Vincent), No.4, February 1959 (Jamaica, Parish of St. Andrew), No.7, June 1959 (Jamaica, Parish of Clarendon), No.8, October 1959 (Jamaica, Parish of St. James), and No.10, March 1960 (Jamaica, Parish of St. Mary).