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周金泉\n\n9月2日，四川一项采用超高产栽培技术的水稻高产纪录在广汉市诞生——百亩超高产攻关片（以下简称百亩片）平均亩产889.47公斤。\n\n当天，在广汉市高坪镇白里社区，德阳市农业农村局组织相关专家对广汉市2026年“天府粮仓·百县千片”水稻百亩片进行实收测产。专家组考察了示范现场，按照《粮油作物实收测产验收办法（试行）》，选择3个田块实收11.15亩进行测产，分别亩产852.13公斤、881.97公斤、934.3公斤，平均亩产889.47公斤。\n\n专家组认为，该百亩片选用优良品种“甬优4949”，配套采用暗化叠盘育秧、基肥深施、机械打浆、封闭除草、机插机收、配方施肥、无人机施穗肥、病虫害绿色综合防治等技术，较好地发挥了水稻品种产量潜力和集成技术成效，百亩片实现水稻平均亩产889.47公斤，比上年度百亩片平均亩产862.2公斤增产3.2%、较去年广汉市水稻核定平均单产593.12公斤增产49.96%，增产增效明显，示范效果好。\n\n专家组还指出，百亩片管理规范，田间水稻长势均衡，无明显病虫害，综合表现良好。此次测产结果，有望创下今年四川水稻百亩单产的最高纪录。\n\n据了解，四川省农业科学院依托国家重点研发计划——西南地区小麦—水稻大面积单产提升集成示范课题，对白里社区的水稻百亩片提供了超高产栽培技术的支持。\n\n“这个超高产栽培技术有几个重点。首先，采用全程机械化育秧技术，育好苗栽好秧；二是高质量栽插。针对传统泡水打田需灌深水、易造成秸秆漂浮于水面影响栽插的情况，我们采用了灭茬干打、再上浅水、施用基肥、最后旋耕起浆的技术，打田后半天至1天即可插秧，实现节水、省时和肥料的高效利用。”四川省农业科学院作物研究所副所长李旭毅研究员介绍，“同时，我们在栽秧时，采用了宽窄行机插增密技术：宽窄行机播，改善田间通风透光条件，充分发挥边际效应；增密技术，一亩可多栽20%的秧苗，提高有效穗、优化穗粒结构，确保单株穗数穗重，实现增产。”\n\n李旭毅介绍，百亩片还强化了后期水肥管理。水管理上，在晒田后确保干湿交替、抽穗扬花期保持浅水、灌浆扬花期实行“干干湿湿”管理，从而养花促结实；肥管理上，一改以往只施底肥、追肥的做法，特别增施了穗肥，通过无人机进行苗情诊断、开施肥处方、按期施用穗肥，促进形成大穗大粒。\n\n“今年，我在专家指导下，增施了穗肥，能壮籽壮秆防倒，使苗子齐整，实现增产。在这次测产之前我就预估亩产可达到850公斤！”种植大户张大左现场分享使用超高产栽培技术的切身感受，“过去，传统泡水打田，泥浆松软，固定性不好，栽下的秧子东倒西歪。今年，专家让我采用灭茬干打、再上浅水技术，我发现等到打田后的第二天就可栽秧了，比原来提前了1天；同时，浅水栽秧，秧苗的分蘖能力强、返青快，秧苗前期长势特别好。用这些办法就能提高水稻产量。”\n\n广汉市国家现代农业产业园管委会主任王越表示，丰收的成果，源自良种良法的精准落地，后续他们将持续深化院地合作，把先进的农业科技转化为实打实的粮食产量。","四川农村日报 2026-09-09","2026-09-08T16:00:00Z",70,{"impact":229,"substance":230,"depth":129,"authority":18,"freshness":80,"relevant":20,"comment":231},18,22,"四川广汉百亩片实测亩产889.47公斤创今年全省纪录，含具体测产数据与超高产栽培技术细节，专业信息增量足，但属区域示范性进展，时效略滞后。",[233],{"name":225,"url":222},[25,235,28,236,237],"天府粮仓","超高产栽培","粮食单产提升",{"code":31,"slug":32,"name":25,"path":33,"parent_code":34},[],{"status":37,"locked":14,"version":38,"method":39,"evidence":241},{"candidates":242,"agricultural_evidence":44},[243,247,251,257],{"code":31,"score":78,"supported":44,"title":244,"abstract":245,"tags":246},[25],[25],[25],{"code":106,"score":107,"supported":44,"title":248,"abstract":249,"tags":250},[],[85],[237],{"code":252,"score":201,"supported":44,"title":253,"abstract":254,"tags":256},"A2",[],[255],"小麦",[],{"code":56,"score":20,"supported":14,"title":258,"abstract":259,"tags":260},[],[],[28],[262,263],"粮食单产提升 超高产栽培 天府粮仓 良种良法","粮食单产提升 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:2600:1900:0000:2100:0000:0000:0000:1401","信阳市农业农村局 2026-09-12","2026-09-11T16:00:00Z",24,{"impact":19,"substance":51,"depth":51,"authority":67,"freshness":67,"relevant":20,"comment":184},[277],{"name":272,"url":269},[25,188,27,189],{"code":31,"slug":32,"name":25,"path":33,"parent_code":34},[],{"status":37,"locked":14,"version":38,"method":39,"evidence":282},{"candidates":283,"agricultural_evidence":44},[284,288,292],{"code":31,"score":78,"supported":44,"title":285,"abstract":286,"tags":287},[25],[25],[25],{"code":56,"score":20,"supported":14,"title":289,"abstract":290,"tags":291},[],[],[188],{"code":50,"score":20,"supported":14,"title":293,"abstract":294,"tags":295},[],[],[27],[215,216],"新品种展示种业振兴院地合作水稻-2465","2026-09-15T00:04:22.766843Z",{"id":300,"title":301,"url":302,"summary":303,"summary_zh":8,"content":8,"source_name":304,"source_url":8,"published_at":305,"category":12,"cover_url":8,"hotness":13,"is_selected":14,"score":306,"score_detail":307,"sources":309,"tags":311,"primary_topic":313,"secondary_topics":314,"classification":315,"search_phrases":334,"slug":337,"view_count":201,"doi":8,"paper":8,"created_at":338},2256,"江西省农科院党委书记易龙赴上高县、樟树市调研再生稻技术示范","https:\u002F\u002Fjxaas.cn\u002Finfo\u002F1040\u002F39560.htm","9月10日,党委书记易龙赴上高县锦江镇石湖村\"再生稻丰产增效技术\"示范基地实地察看再生稻第二季长势,要求集成推广\"良种良田、良机良法\"融合配套技术模式,推动再生稻大面积单产提升。","江西省农业科学院","2026-09-09T16:00:00Z",53,{"impact":78,"substance":130,"depth":13,"authority":78,"freshness":67,"relevant":20,"comment":308},"省级农科院领导实地调研再生稻示范基地，属省级细分领域动态，有技术模式推广的实质内容，但为常规调研通稿，公共价值有限。",[310],{"name":304,"url":302},[85,312,136,26,28],"江西",{"code":31,"slug":32,"name":25,"path":33,"parent_code":34},[],{"status":37,"locked":14,"version":38,"method":39,"evidence":316},{"candidates":317,"agricultural_evidence":44},[318,322,326,330],{"code":31,"score":78,"supported":44,"title":319,"abstract":320,"tags":321},[136],[136],[136],{"code":106,"score":107,"supported":44,"title":323,"abstract":324,"tags":325},[],[85],[85],{"code":56,"score":20,"supported":14,"title":327,"abstract":328,"tags":329},[],[],[28],{"code":50,"score":20,"supported":14,"title":331,"abstract":332,"tags":333},[],[],[26],[335,336],"农技推广 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