我区自1983年起,在改进的基础上试验、示范杂交水稻“旱育小苗-双株寄插-原蔸大行植”的新栽培技术(由于新技术包括配套的三个环节,每个环节又体现两重措施,所以简称为“三两”栽培法)以来,增产显著,取得了良好的经济效益。1985年已推广到47000亩,占杂交水稻种植面积的78％,平 Since 1983, our district has experimented and demonstrated new cultivation techniques of hybrid rice “dry nursery seedlings - Shuangzhujiadao - Yuanxiandahangzhi” on the basis of improvement (since the new technology includes three supporting facilities, each Since the link reflects two measures, it is called the “three two” cultivation method for short) and the output has been significantly increased with good economic benefits. 1985 has been extended to 47000 acres, accounting for 78% of hybrid rice acreage, flat