July 4, 2008 Jonathan Power LONDON – Manioc, cassava, yucca, Ever ‘eard of it? Don’t be shy to say you haven’t. Rice, wheat and soya grab today’s headlines. Conferences are called, politicians opine. There is a general panic about one more major source of inflation. Food shortages have hit the urban areas of the Third World and in some countries provoked food riots. Developing countries “defend” their domestic market with export tariffs on grains. Maybe the solution is not in our stars, our esoteric debates or conference resolutions, but right there – under tropical and subtropical soils. Cassava – to use its most popular name is a half-discovered crop, a woody scrub on the surface, a tuber, six times larger than the potato, beneath. In Nigeria, where it grows in profusion, it is tolerant of drought, adaptable to poor soils and can be stored in the ground. Moreover, it is...