Agricultural innovations.
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Planting the winged bean : hope for the hungry / produced by Barbara Dunlap.
Discussion with Jean Pierre Hallet, and agronomist and socialist, who examines the tropical winged bean as a method for hungry people to feed themselves now.|FAST FORWARD WITH F.M. 2030 / interviewed by Barbara Dunlap. SERIES: New signals| 31-1-89 Futurist and author, FM 2030 discusses changing values and his visions for the years around 2030.