<tt id="6hsgl"><pre id="6hsgl"><pre id="6hsgl"></pre></pre></tt>
          <nav id="6hsgl"><th id="6hsgl"></th></nav>
          国产免费网站看v片元遮挡,一亚洲一区二区中文字幕,波多野结衣一区二区免费视频,天天色综网,久久综合给合久久狠狠狠,男人的天堂av一二三区,午夜福利看片在线观看,亚洲中文字幕在线无码一区二区
          chinadaily.com.cn
          left corner left corner
          China Daily Website

          'Father of hybrid rice' expects increasing yields

          Updated: 2012-08-20 21:27
          ( Xinhua)

          XI'AN - Yuan Longping, a scientist who helped develop some of the first strains of hybrid rice, said Monday that yields from the rice are expected to reach 1,000 kg per mu (0.0667 hectares) by 2020.

          Yuan, 82, presented the latest progress regarding the development of "super-hybrid" rice at an international academic conference on hybrid grain held in Xi'an, capital of northwest China's Shaanxi province.

          Experimental research on the new strain has entered a critical period, Yuan said.

          "Scientifically speaking, hybrid rice has the potential (to reach the yield target)," he said.

          Research on super-hybrid rice began in 1996 as part of the country's efforts to ensure food security.

          A team of researchers led by Yuan reached a target unit yield of 700 kg per mu and 800 kg per mu in 2000 and 2005, respectively, setting world records both times. Last September, his team further raised the yield to 926.6 kg per mu.

           
          ...
          ...
          ...
          主站蜘蛛池模板: 又色又爽又黄又无遮挡的网站| 色窝窝免费播放视频在线| 国产精品中文字幕一二三| 日韩激情成人| 又大又粗又硬又爽黄毛少妇 | 一区二区三区精品偷拍| 日日摸日日踫夜夜爽无码| 一区二区三区四区五区色| AVtt手机版天堂网国产| 国产av丝袜熟女一二三| 另类 专区 欧美 制服| 国产超碰无码最新上传| 成年黄页网站大全免费无码| 国产999久久高清免费观看| 欧美综合婷婷欧美综合五月| 太粗太深了太紧太爽了动态图男男 | 黑人玩弄漂亮少妇高潮大叫| 色道久久综合亚洲精品蜜桃| 精品人妻免费看一区二区三区| 99re6这里有精品热视频| 真人在线射美女视频在线观看| av 日韩 人妻 黑人 综合 无码| 乱人伦中文字幕成人网站在线| 午夜无码区在线观看亚洲| 久久精品国产九一九九九| 中文字幕亚洲一区二区三区| 成人免费AV一区二区三区| 亚洲中文字幕日产无码2020| 给我播放片在线观看| 国产乱码精品一区二区三上| 波多野结衣的av一区二区三区| 美女啪啪网站又黄又免费| 成人自拍短视频午夜福利| 在线观看国产成人AV天堂| AV成人午夜无码一区二区| 在线观看免费人成视频色| 中文字幕无码久久精品| 中文字幕欧美成人免费| 亚洲一区二区三级av| 国产欧美日韩视频怡春院| 国产精品久久vr专区|