They grow rice on small plots of land with soil and water contaminated with arsenic, a poison. (sciencedaily.com)
Think about it, you can grow gain to feed people on small plots of land but to grow enough grain to make beer... well that takes organization. (wattsupwiththat.com)
A central theme is efficiency, getting higher yields on small plots with fewer inputs of water and fertilizer. (dotearth.blogs.nytimes.com)