中国农业大学作物学院北方稻作研究室，利用世界早稻多样化中心的我国云南及周边国家，古老农家早稻品种与东亚现代早熟粳型水稻品种组群间杂交，经过大规模水、旱田多代交替培育和不同生态区域多点鉴定及综合性状的严格选择，终于使农家早稻的“抗旱性”和“旱地适应性”及其? China Agricultural University Crop Research Institute of northern rice, the use of the world’s early rice diversification center in our country in Yunnan and neighboring countries, the ancient farmhouse early rice varieties and East Asia modern early maturing japonica rice cross between groups, after large-scale water, dry field alternating Cultivation and multi-point identification of different ecological regions and the strict selection of comprehensive traits have finally made the “drought resistance” and “adaptability of dry land” of early rice to farmers and their?