South Asia’s food requirements are likely to grow at least 100 percent by the year 2020, while the region’s natural resource base is likely to shrink. Gill advocates a transition from today’s cereal-based, land -extensive, water-intensive production system to an agriculture more in keeping with the region’s natural resource endowment. He cites increased investment in research and extension as a way out of the quandary of high population density and rising demand for food in South Asia.