Rwanda 1247-1255

Rwanda 1247-1255, MNH, $31.75. Michel 1331-1339. Overprinted: ANNE 1986 / INTENSIFICATION AGRICOLE. Soil erosion prevention, Driving cattle, Pineapple field, Hedges, ditching, Reforestation, Anti-erosion barriers, Contour planing, Terracing, Protection of river banks, Fallow, planted strips.