Is There Such a Thing as Agro-Imperialism?

Dr. Robert Zeigler, an eminent American botanist, flew to Saudi Arabia in March for a series of high-level discussions about the future of the kingdom

There are basically two ways to increase the supply of food: find new fields to plant or invent ways to multiply what existing ones yield. Zeigler runs the International Rice Research Institute, which is devoted to the latter course, employing science to expand the size of harvests. During the so-called Green Revolution of the 1960s, the institute