Marginal producers or breadwinners: Women's cropping strategies and access to agricultural key resources in Boulgou province, Burkina Faso

arachide arroz burkina faso cacahuete campesinado cropping systems femme groundnuts hogares households labour land use mijos millet millets mujeres papel de la mujer paysannerie peasantry rice riz role of women sistemas de cultivo sorghum trabajo travail utilisation des terres women