High yielding agriculture in less-industrialized countries, the green revolution, has been both honored and criticized over the past twenty years. Supporters point to the increased food supplies produced with the new practices, but detractors argue that the new technologies are environmentally...

Cuba entered a crisis in 1989 when its trading arrangements with the USSR and Eastern Europe collapsed, Their supplies of imported staple food and agricultural input supplies were severely curtailed. Thus the Cubans had to alter both the methods of farming and the mix of items produced. Despite...