水稻是世界上最主要的粮食作物之一 ,与小麦具有同等重要地位。在中国 ,水稻更是第一重要的粮食作物 ,产量占全国粮食总产的 4 4 %。可见 ,水稻在粮食作物中占有极其重要的位置。因此国内外学者就如何提高水稻产量的研究从未停止过。特别是由于主要产稻国的工业化进程正蚕食耕 Rice is one of the most important food crops in the world and has the same important status as wheat. In China, rice is the most important grain crop, accounting for 44% of the total grain output in the country. Can be seen that rice occupies a very important position in the food crops. Therefore, domestic and foreign scholars on how to improve rice production has never stopped research. Especially as the industrialization process of the major rice producing countries is being eroded