COMMODITY-Ch:IENTED RESEARCH The focusing of research on one or more types of crop or animal by studying them in considerable detail. COMMODITY SPECIALISTS Researcher; jho have been trained to work with a specific crop or animal. COMPONENT An individual element of a SYSTEM. COMPONENT RESEARCH Research undertaken relative to a particular COMPONENT of a SYSTEM. COMPONENT TECHNOLOGY The set of individual cultural techniques or COMPONENTS used in the managelmnt of a CROP or LIVESTOCK SYSTEM. These include, e.g., choice of variety or breed and the times and methods of such activities as tillage and crop establishment, fertilizer use, field-levsl water management, pest management and harvest. CONTINUOUS CROPPING The growi;i: of crops continuously on a PLOT, either by SEQUENTIAL or REi.AY C-OPPING, without SEASONAL FALLOWING. CROP PRODUCTION SYSTEM, CROP SYSTEM Comprises all COMPONENTS required for the production of a particular :rop and the interrelationships between them and the ENVIRONMENT These components include all the necessary PHYSICAL and BIO..ZXICAL FACTORS, as well as TEChNOLOGY, labour and management. PAGE 3