TY - BK ED - Centro Internacional de Mejoramiento de Maiz y Trigo (CIMMYT) TI - CIMMYT 1990-1991 hechos y tendencias mundiales relacionados con el trigo: la producción de trigo y cebada en ambientes marginales de temporal del mundo en desarrollo T2 - CIMMYT World Wheat Facts and Trends SN - 0188-2236 PY - 1991/// CY - Mexico PB - CIMMYT, KW - Centro Internacional de Mejoramiento de Maiz y Trigo (CIMMYT) KW - Barley KW - AGROVOC KW - Consumption KW - Developing Countries KW - Economic analysis KW - Imports KW - Producer prices KW - Production N1 - Open Access N2 - A synopsis of recent trends in rainfed marginal environments of the developing world is followed by a description of the major wheat and barley farming systems in West Asia North Africa (WANA) and South Asia (the role of livestock is describe as well). Successive sections of the report describe the present and potential use of improved technology in rainfed marginal environments of WANA and South Asia; policies affecting wheat and barley; and issues in allocating resources to research aimed at marginal environments. Future research, extension and policy strategies directed at improving rainfed wheat and barley production are discussed. The UR - https://hdl.handle.net/10883/1152 ER -