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每日一词 | 再生稻 ratoon rice

每日一词 | 再生稻 ratoon rice

China Daily
Monday, March 03, 2025 04:47:01 PM UTC

农业农村部近日印发的《促进再生稻发展重点工作导引(2025—2030年)》指出,力争到2030年,全国再生稻面积新增1000万亩左右。

农业农村部近日印发的《促进再生稻发展重点工作导引(2025—2030年)》指出,力争到2030年,全国再生稻面积新增1000万亩左右,进一步增强我国水稻生产保障能力。

China plans to expand its ratoon rice cultivation area by approximately 10 million mu by 2030, as part of efforts to bolster food security, according to a guideline on ratoon rice development (2025-2030) issued by the Ministry of Agriculture and Rural Affairs.

 

 

【知识点】

再生稻就是“让割过的稻桩长谷子”,第一茬收割后,通过施肥,稻秆上存活的休眠芽重新长穗,在适宜的水分、养分和温度、光照等环境条件下进行第二茬收割,从而实现一季两收。再生稻有生育期短、降本省工、节水省肥、收益较高等优点。一方面,再生稻第二茬直接从稻桩上发苗,而不用从种子阶段重新生长,生长发育所需时间更少,能规避部分农业气象灾害,此外也减少了化肥、农药施用量。种植成本降低,相当于拓宽了农户收益空间。另一方面,因为再生稻第二茬不需要重新育种,也就减少了买种子、翻耕田地、育秧插秧等流程所需要的人力成本。然而再生稻也有机械化程度要求高、田管技术要求高、气候条件要求高等客观缺点。

再生稻适合在“一季有余,两季不足”的地区种植。当前,我国再生稻种植区域可划分为:川渝云贵西南种植区、粤琼华南种植区、闽赣浙台东南种植区、湘鄂中部种植区、皖苏东南种植区等5个气候区。再生稻对生长条件要求高,必须在温度、阳光、水源等条件适宜的地区种植,才能保证稳产高产。目前我国再生稻面积超过1500万亩,主要分布在长江中下游、西南、华南三大区域,具有较大的发展潜力。

 

【重要讲话】

要未雨绸缪,始终绷紧粮食安全这根弦,始终坚持以我为主、立足国内、确保产能、适度进口、科技支撑。

The country needs to be well-prepared and remain vigilant concerning food security, and adhere to the principle of self-sufficiency based on domestic grain production, guaranteed production capacity, moderate food imports, and technological support.

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