Barker, Randolph; Rose, Beth; Sisler, Daniel - International Association of Agricultural Economists - IAAE - 1983
China's capacity to increase production and economic efficiency in agriculture in the 1980s will depend on its ability … constraints can be overcome. Approximately 50 percent of China's gross agricultural product is derived from grain, and grain … provides close to 90 percent of all calories consumed in China. Until recently there have been few data on which to judge the …