He worked in the fields to show farmers new ways to grow wheat, rice and other crops.

VOA: special.2009.09.22

In certain location things were dominated by certain cereals; rice in Asia, wheat in Europe, sorghum and millet in Africa, and maize in the New World.

不同的地方有不同的主食,比如,亚洲主食米饭,欧洲主食小麦,非洲主食高粱和小米,美洲主食玉米

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

His work with rice and wheat crops saved millions from starving in Asia and Latin America.

VOA: special.2010.06.22

In fact,he says replacing rice with whole grains such as whole wheat and barley could result in a 36 percent lower chance of developing Type 2 diabetes.

VOA: standard.2010.06.25