旱优2号、3号是上海市农业生物基因中心选育的两个优质高产节水型杂交稻新组合,可节水50%～60%。义乌市2005年引进试种,2006年试种、示范1463.3亩(1亩=667平方米,下同)。两年均采用“水种旱管”栽培技术,表现高产优质、耐肥抗倒,抗逆性强,适应性广,稻米品质好,节水明显,发展潜 Han You 2 and 3 are two new combinations of high quality and high yielding water-saving hybrid rice selected by Shanghai Agricultural Biological Gene Center, saving 50% -60% water. Yiwu City in 2005 to introduce trial planting, 2006 trial planting, demonstrating 1463.3 acres (1 mu = 667 square meters, the same below). Two years have adopted the “water drought” cultivation techniques, the performance of high yield and quality, anti-down resistance, strong resistance, wide adaptability, good quality rice, water-saving, potential development