美国种植高粱的历史并不很长,但发展很快,至目前已成为世界上非常重要的高粱生产大国。大约在十九世纪中期美国开始了高粱栽培。从栽培面积上看,在二十世纪50至60年代就已达到839万公顷,而后略有下降,在80年代末降至477万公顷。近几年由于干旱,高粱栽培面积又有所回升,1992年栽培面积为550 The history of planting sorghum in the United States is not very long, but it has developed rapidly and has now become a very important sorghum producer in the world. The United States started planting sorghum around the mid-nineteenth century. From the perspective of cultivated area, it reached 8.39 million hectares in the 1950s and 1960s and then declined slightly, to 4.77 million hectares in the late 1980s. In recent years due to drought, sorghum cultivation area has picked up again in 1992 cultivation area of ​​550