FAO/unesco/wmo agroclimatology survey of a semi-arid area South of the Sahara.

abastecimiento de agua agricultura agriculture aliment pour animaux approvisionnement en eau arachide cacahuete clima climat climate climatologia climatologie climatology coton cotton energia solar fao feeds fotoperiodismo groundnuts light luz meteorological factors mijos millet millets pastizales pastures photoperiodicity piensos precipitation soil sol solar energy sorghum suelo unesco vegetation water supply who