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袁隆平:“种三产四”丰产工程将兼顾绿色优质
2017-09-08 17:32:08 中国经济网
新华社长沙9月8日电(记者周勉)由中国工程院院士袁隆平领衔、已实施十多年的超级杂交稻“种三产四”丰产工程迎来重大变化:将从过去单纯强调产量,向兼顾绿色优质的目标转变。9月8日,袁隆平及其团队在怀化市溆浦县的现场会上对此进行了阐述。
2006年,袁隆平提出“种三产四”丰产工程,致力于中低产田的增产。即“运用现有的超级杂交稻技术成果,用3亩地产出4亩地的粮食,大幅提高现有水稻的单产和总产”。
“种三产四”丰产工程实施十多年来,已累计增产稻谷60多亿公斤。但国内大米口感不佳、生产成本高、销售价格低的现象一直存在。袁隆平表示:“高产是我始终追求的目标,但同时要兼顾绿色和优质,否则市场不会买账。”
工程项目协调人彭既明说,今年“种三产四”丰产工程最显著的变化是:在30多个参与品种中,优质稻占比超过30%,其中不少品种的米质已经达到国家二级米质标准。“我们今年特意选择了Y两优9571、晶两优5814等品种纳入示范,在保证高产的前提下,通过更少化肥和更简单栽种方式,实现大米米质的提升。”彭既明说,这些品种同时还具备广适性、高抗性和低成本等特点。
据了解,今年湖南省“种三产四”丰产工程将力争推广1500万亩,产出原来2000万亩的粮食,即多产出20亿公斤粮食。袁隆平表示,希望通过科技工作者的努力和“种三产四”丰产工程的示范带动,为农民找到一条高产与绿色优质并举的道路。
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