We live in a crazy world. On the one hand we read of a surplus of corn and wheat; a mountain of butter and meat, likewise, on the other we see on our TV screens the specter of starving people. Cassava is increasing in importance, particularly in drier areas, because it is a hardy drought tolerant crop that can give reasonable yields on low fertility soils. It is reproduced from stem cuttings and requires weeding until a canopy is established. The roots can be left in the soil until required. Th ...