当前，各地都把推广种植优质稻，优化品种结构，提高品质和效益作为种植业结构调整的重中之重。总结近年来各地的成功经验，笔者认为，推广种植优质稻应严把“四关”： 　　“一关”——必须坚持先试验、后示范、再推广的原则目前国内审定通过的优质杂交稻和常规稻品种 (组合 ) At present, all localities regard the promotion of planting high-quality rice, optimizing the structure of varieties and improving the quality and efficiency as the most important structural adjustment in planting industry. Summarizing the successful experiences in various places in recent years, the author believes that the promotion of planting high-quality rice should be strict “four”: “one off” - must adhere to the first experiment, after demonstration, and then promote the principle At present, validated through the high quality hybrid rice and Conventional rice varieties (combinations)