A spatial optimization model was developed to analyze the impacts of structural changes in China’s consumption of wheat, corn, rice, and soybeans on its agricultural sector and world agricultural trade. The model included 16 exporting and importing countries and regions. China was divided into...

Income from livestock marketing has declined as a proportion of total gross farm income in the past two decades. • Income from cattle and calves accounts for about 65-75 percent of total livestock income in the state. • Income from milk has ranged from 14-20 percent of total livestock income...