Farmer field schools in Malawi
Matolino Zimba checks on the emerging maize crop, which has been covered in crop residue to conserve moisture, at the field school in Tiyese, Malawi. (Photo: Emma Orchardson/CIMMYT)
Matolino Zimba checks on the emerging maize crop, which has been covered in crop residue to conserve moisture, at the field school in Tiyese, Malawi. (Photo: Emma Orchardson/CIMMYT)