全球大豆供求矛盾加剧１９９６年世界性的大豆供应紧张局势已经出现，而且，这一趋势一时难以改变。大豆种植面积缩减引起的供应紧张有其更深刻的原因：大豆与玉米的竞争关系。世界大豆主产区往往也是玉米主产区，种植大豆和种植玉米是一种竞争替代关系。近年来，随着杂交... Global soybean supply and demand intensified In 1996, the global soybean supply crisis has emerged, and this trend is difficult to change. Soybean acreage reduction caused by the tight supply has its more profound reason: the competitive relationship between soybeans and corn. The main soybean producing areas in the world are also often the main corn producing areas. Planting soybeans and planting corn is a competitive alternative. In recent years, with the hybrid ...