International Crops Research Institute for the Semi-Arid Tropics2009-01-152009-01-151987http://hdl.handle.net/10625/36782Text1 digital file (252 p. : ill.)application/pdfenWEEDSWEED CONTROLGENETIC IMPROVEMENTAGRICULTURAL RESEARCHSORGHUMMILLETCULTIVATION PRACTICESAGRICULTURAL EXTENSIONWEST AFRICAIntegrated striga management practices for West Africa : annual reports of research for years 1979 to 1987IDRC Final Report