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日上午，水稻良种和高效肥展示观摩会在淮南市潘集区贺疃镇「绿色吨半粮」示范基地举行，来自中国农业大学、南京农业大学、安徽省农业科学院、安徽农业大学的专家教授以及种粮大户、基层农技人员参加。示范田内多个水稻新品种分区种植，同步设置高效肥与常规施肥对照试验田块，通过机收和人员测产直观展示良种搭配高效肥料的增产效果，为做好新一年店集贡米品种选育与宣传推广提供技术依据，推动水稻单产提升行动。",null,"为加快优良水稻品种、高效新型肥料示范推广，推动良种良法配套落地，助力粮食稳产增产，10月14日上午，水稻良种和高效肥展示观摩会在贺疃镇“绿色吨半粮”示范基地举行。来自中国农业大学、南京农业大学、安徽省农业科学院、安徽农业大学的专家教授以及种粮大户、基层农技人员齐聚基地，现场观摩对比，开展实收测产。\n\n在示范田内，多个水稻新品种分区种植，同步设置高效肥与常规施肥对照试验田块。观摩会现场，通过查看不同品种的长势、抗倒伏、抗病性，对比施用高效肥和常规肥料水稻的株型、穗粒、结实情况，现场讲解品种特性、科学施肥、田间管护等关键技术要点，为种粮大户答疑解惑，做好新一年的店集贡米的品种选育、宣传推广。现场通过机收和人员测产，直观展示了优良品种搭配高效肥料的增产效果，用真实数据验证良种与高效肥相结合的增产提质、节肥增效优势，对推进水稻单产提升行动具有积极作用。\n\n潘集区农技推广中心主任杨中保表示：“近年来，我们立足本地农业生产实际，聚焦粮食安全底线、农业增效目标、农民增收核心，扎实推进农作物良种筛选推广、配套栽培良法落地、新型肥料示范应用等一系列重点工作，通过建示范、抓培训、强指导、树样板，良种良法配套、科学施肥增效的农业生产新模式全面落地，让农作物抗灾能力、单产水平、农产品品质稳步提升，农业生产综合效益持续提高，农业生产取得了阶段性成效。”\n\n通过现场观摩不同品种的水稻生长特性，选用适配本地气候土壤的水稻良种，配套应用高效肥料，能够提升肥料利用率，对于减少化肥投入，改善稻米品质，推动水稻绿色高产，壮大潘集水稻产业的有效路径。此次观摩测产活动，搭建起科研院所、农技部门与种植主体交流对接的平台，打通农业科技成果转化 “最后一公里”。\n\n潘集区农技推广中心主任杨中保表示：“下一步，我们农技部门要锚定农业高质量发展总目标，紧扣稳粮、提质、增效、绿色核心任务，持续深耕良种良法推广、科学施肥示范工作，推动农业生产提质增效、提档升级，为稳定粮食生产、壮大特色农业、助力乡村产业振兴提供有力支撑。”","淮南市潘集区人民政府 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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 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超高产栽培","粮食单产提升超高产栽培天府粮仓良种良法-2480","2026-09-15T00:04:23.934009Z",{"id":170,"title":171,"url":172,"summary":173,"summary_zh":8,"content":8,"source_name":174,"source_url":8,"published_at":175,"category":12,"cover_url":8,"hotness":13,"is_selected":14,"score":176,"score_detail":177,"sources":180,"tags":182,"primary_topic":185,"secondary_topics":186,"classification":187,"search_phrases":206,"slug":209,"view_count":155,"doi":8,"paper":8,"created_at":210},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":17,"substance":178,"depth":13,"authority":17,"freshness":75,"relevant":22,"comment":179},13,"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。",[181],{"name":174,"url":172},[28,183,184,91,30],"江西","再生稻",{"code":33,"slug":34,"name":27,"path":35,"parent_code":36},[],{"status":39,"locked":14,"version":40,"method":41,"evidence":188},{"candidates":189,"agricultural_evidence":45},[190,194,198,202],{"code":33,"score":17,"supported":45,"title":191,"abstract":192,"tags":193},[184],[184],[184],{"code":58,"score":59,"supported":45,"title":195,"abstract":196,"tags":197},[],[28],[28],{"code":64,"score":22,"supported":14,"title":199,"abstract":200,"tags":201},[],[],[30],{"code":106,"score":22,"supported":14,"title":203,"abstract":204,"tags":205},[],[],[91],[207,208],"农技推广 单产提升 良种良法 再生稻","农技推广 单产提升","农技推广单产提升良种良法再生稻-2256","2026-09-13T00:04:02.823973Z",{"id":212,"title":213,"url":214,"summary":215,"summary_zh":216,"content":8,"source_name":217,"source_url":214,"published_at":218,"category":219,"cover_url":8,"hotness":13,"is_selected":14,"score":220,"score_detail":221,"sources":226,"tags":228,"primary_topic":232,"secondary_topics":233,"classification":239,"search_phrases":264,"slug":267,"view_count":107,"doi":268,"paper":269,"created_at":295},2126,"Reduced potassium fertilization combined with magnesium application improves rice population quality and regulates grain yield and quality","https:\u002F\u002Fdoi.org\u002F10.3389\u002Ffsufs.2026.1921807","Inroduction Sichuan is a major hybrid rice-producing region, where paddy soils commonly suffer from acidification and severe magnesium leaching, resulting in low available-Mg status. Excessive potassium application intensifies K-Mg absorption antagonism and exacerbates magnesium deficiency, while blind potassium reduction accelerates plant senescence and impairs rice yield and quality. Although magnesium participates in photosynthesis and assimilate translocation, little is known about the combined effects of reduced potassium fertilization and magnesium supplementation on rice growth and agronomic performance. Methods A two-year field experiment was conducted to examine rice yield, grain quality, and nutrient uptake under varying potassium-magnesium combinations, aiming to provide fertilization references for green rice production in Sichuan hilly regions. A two-factor split-plot design was employed, with three potassium rates (0, 120, and 180 kg\u002F ha, denoted K0, K1, and K2) as main plots and three magnesium rates (0, 30, and 60 kg\u002Fha, denoted M0, M1, and M2) as sub-plots. Leaf area index, dry matter accumulation, chlorophyll content, yield components, and grain quality traits were assessed in this study. Results The results showed that the K1 treatment significantly improved grain yield, with relatively better comprehensive performance observed under the K1M2 combination. Averaged across 2 years, K1 increased grain yield by 26.55% relative to K0 and exhibited comparable yield to K2. Under K1, the M2 treatment further increased yield by 6.21% relative to M1. Moreover, K1M2 significantly enhanced leaf area index and chlorophyll content, while improving milling and appearance quality and reducing grain chalkiness and amylose content. Discussion These findings offer a theoretical and practical basis for improving rice yield and grain quality and promoting green, high-quality and efficient rice cultivation in the hilly regions of Sichuan.","引言 四川是杂交水稻主产区，稻田土壤普遍存在酸化与镁素淋溶严重的问题，导致土壤有效镁含量偏低。过量施钾会加剧钾镁吸收拮抗，加重镁素缺乏，而盲目减钾则会加速植株衰老，损害水稻产量与品质。尽管镁参与光合作用与同化物转运，但关于减钾配施镁对水稻生长及农艺性状的联合效应尚不清楚。方法 通过两年田间试验，研究不同钾镁配施组合下水稻产量、稻米品质及养分吸收特征，旨在为四川丘陵区水稻绿色生产提供施肥参考。采用两因素裂区设计，以3个钾水平（0、120、180 kg\u002Fha，记为K0、K1、K2）为主区，3个镁水平（0、30、60 kg\u002Fha，记为M0、M1、M2）为裂区。本研究测定了叶面积指数、干物质积累量、叶绿素含量、产量构成因素及稻米品质性状。结果 结果表明，K1处理显著提高籽粒产量，其中K1M2组合综合表现相对较优。两年平均而言，K1较K0使籽粒产量提高26.55%，且产量与K2相当。在K1条件下，M2处理较M1进一步增产6.21%。此外，K1M2显著提高叶面积指数与叶绿素含量，同时改善碾磨品质与外观品质，降低籽粒垩白度与直链淀粉含量。讨论 这些研究结果为提高水稻产量与稻米品质、促进四川丘陵区水稻绿色优质高效栽培提供了理论与实践依据。","Frontiers in Sustainable Food Systems","2026-09-11T00:00:00Z","论文",76,{"impact":222,"substance":223,"depth":224,"authority":178,"freshness":13,"relevant":22,"comment":225},15,21,17,"两年田间试验数据扎实，为四川丘陵区水稻减钾配镁施肥提供实证参考，但属区域性栽培技术研究，产业影响有限。",[227],{"name":217,"url":214},[27,29,229,230,231],"绿色种植","钾镁配施","四川丘陵",{"code":33,"slug":34,"name":27,"path":35,"parent_code":36},[234],{"code":50,"slug":235,"name":236,"path":237,"parent_code":238},"fertilizers","肥料与水肥一体化","\u002Ftopic\u002Finputs-equipment\u002Ffertilizers","F",{"status":39,"locked":14,"version":40,"method":41,"evidence":240},{"candidates":241,"agricultural_evidence":45},[242,248,253,259],{"code":33,"score":130,"supported":45,"title":243,"abstract":244,"tags":247},[34],[27,245,102,34,246],"稻米","paddy",[27],{"code":50,"score":222,"supported":45,"title":249,"abstract":251,"tags":252},[250],"fertilization",[54,250],[29],{"code":254,"score":155,"supported":45,"title":255,"abstract":256,"tags":258},"H2",[],[257],"土壤",[],{"code":260,"score":22,"supported":14,"title":261,"abstract":262,"tags":263},"H8",[],[],[229],[265,266],"四川丘陵 科学施肥 绿色种植 钾镁配施","四川丘陵 科学施肥","四川丘陵科学施肥绿色种植钾镁配施-2126","10.3389\u002Ffsufs.2026.1921807",{"doi":268,"openalex_id":270,"authors":271,"venue":217,"cited_by_count":72,"oa_url":214,"card":288,"direction":292,"ingested_from":294},"W7212147499",[272,274,276,278,280,282,284,286],{"name":273,"orcid":8},"Jianming Ding",{"name":275,"orcid":8},"Xiaotian Jiang",{"name":277,"orcid":8},"Ran Wang",{"name":279,"orcid":8},"Keyuan Zhang",{"name":281,"orcid":8},"Lubing Jia",{"name":283,"orcid":8},"Yuetong Mo",{"name":285,"orcid":8},"Rongping Zhang",{"name":287,"orcid":8},"Peng Ma",{"tldr":289,"method":290,"finding":291,"direction":292,"opportunity":293},"研究减钾配施镁对四川丘陵水稻产量和品质的影响。","两年田间裂区试验，设3个钾水平和3个镁水平。","减钾至120 kg\u002Fha配施60 kg\u002Fha镁可增产并改善稻米品质。","农业绿色发展与碳","可探究减钾配镁下土壤-植株镁钾互作机制及适宜区域阈值。","openalex","2026-09-11T23:30:07.632874Z",{"id":297,"title":298,"url":299,"summary":300,"summary_zh":8,"content":301,"source_name":302,"source_url":8,"published_at":303,"category":12,"cover_url":8,"hotness":13,"is_selected":14,"score":304,"score_detail":305,"sources":307,"tags":309,"primary_topic":312,"secondary_topics":313,"classification":323,"search_phrases":349,"slug":352,"view_count":75,"doi":8,"paper":8,"created_at":353},447,"四川农科院国家重点研发计划子课题组织水稻田管技术培训——油菜-水稻大面积单产提升","https:\u002F\u002Fwww.chinawestagr.com\u002FhomePage\u002Fshowcontent.asp?id=66792","2026年8月4日,为深入推进国家重点研发计划项目子课题'成都平原油菜-水稻大面积单产提升技术模式集成示范'执行工作,子课题团队在广汉市高坪镇李堰村集成示范区组织召开了'水稻大面积单产提升技术及水稻穗期、成熟期水肥药田间管理技术'专题培训会。当前正值水稻孕穗至抽穗的关键节点,叠加'七下八上'雨热同期天气,白叶枯等病害进入高发流行期,张鸿以水稻全程机械化单产提升技术为核心,围绕水稻品种、播期、密度、肥水药等技术关键进行了系统讲解,为水稻高产管理提供了清晰的路径。","λԺֲ                ʱ䣺2026\u002F8\u002F7502\n\n202684գΪƽصзƻĿӿ“ɶƽԭͲ-ˮģʽʾ”ִйӿŶڹ㺺иƺߴ弯ʾ֯ٿ“ˮˮڡˮҩ”רѵᣬԺũʦź衢ũҵũֲվվκ͹㺺йִũҵҵ԰ίԽרҳϯѵר硢ֲ󻧡ũȽ20˲λᡣ\n\nǰֵˮĹؼڵ㣬“°”ͬҶݵȲ߷ڡΧˮ߲༼Լ溦ؼκˮչר⽲⣬ص԰Ҷݲ״дطȽϸڣ“ҩԡdzˮڹࡢʱɹ”Լ˻η˵زԣԽص㽲ˮڵˮϲͬʱˮˮɺˮڱˮ㣬ཬڸʪ棬ʩ׼ط˥ͬʱǿʩҩʱҪע·˵İȫźˮȫ̻еΪģˮƷ֡ڡܶȡˮҩȼؼϵͳ⣬ԷƷΪץòڡܷʵùЭˮҩ͹ԴãΪˮ߲ṩ·󣬲λԱֳĦ˻طʸЧʩüչʾԱˮгֳ","四川省农科院 2026-08-04","2026-08-04T00:00:00Z",47,{"impact":222,"substance":17,"depth":20,"authority":13,"freshness":107,"relevant":22,"comment":306},"省级农科院组织的技术培训，内容具体但时效性差，影响范围有限。",[308],{"name":302,"url":299},[27,28,310,311],"四川省农科院","油菜",{"code":33,"slug":34,"name":27,"path":35,"parent_code":36},[314,319],{"code":315,"slug":316,"name":317,"path":318,"parent_code":36},"A4","soybean-oilseeds","大豆与油料","\u002Ftopic\u002Ffield-crops\u002Fsoybean-oilseeds",{"code":58,"slug":320,"name":321,"path":322,"parent_code":36},"yield-food-security","单产提升与粮食安全","\u002Ftopic\u002Ffield-crops\u002Fyield-food-security",{"status":39,"locked":14,"version":40,"method":41,"evidence":324},{"candidates":325,"agricultural_evidence":45},[326,330,334,338,343],{"code":33,"score":100,"supported":45,"title":327,"abstract":328,"tags":329},[27,102],[27],[27],{"code":315,"score":17,"supported":45,"title":331,"abstract":332,"tags":333},[311],[311],[311],{"code":58,"score":17,"supported":45,"title":335,"abstract":336,"tags":337},[28],[28],[28],{"code":106,"score":20,"supported":45,"title":339,"abstract":341,"tags":342},[340],"技术培训",[],[],{"code":344,"score":155,"supported":45,"title":345,"abstract":346,"tags":348},"F5",[],[347],"机械化",[],[350,351],"四川省农科院 单产提升 水稻 油菜","四川省农科院 单产提升","四川省农科院单产提升水稻油菜-447","2026-08-12T23:57:22.739004Z",{"id":355,"title":356,"url":357,"summary":358,"summary_zh":8,"content":359,"source_name":360,"source_url":8,"published_at":361,"category":12,"cover_url":8,"hotness":13,"is_selected":14,"score":362,"score_detail":363,"sources":365,"tags":367,"primary_topic":371,"secondary_topics":372,"classification":373,"search_phrases":394,"slug":397,"view_count":19,"doi":8,"paper":8,"created_at":398},169,"兴宁丝苗香稻百亩攻关田测产——广东省农科院水稻所牵头集成示范'增香轻简化优质丰产栽培技术'","https:\u002F\u002Fwww.toutiao.com\u002Farticle\u002F7666070387310035482\u002F","梅州市兴宁市农业农村局组织专家对国家重点研发计划项目'华南优质丝苗香稻增香轻简化优质丰产栽培技术与集成示范'百亩攻关田进行现场测产验收。攻关田117亩、示范田387亩，示范田水稻平均亩产达580.25公斤，比对照田增产18.81%。技术体系以香型丝苗稻专用品种为核心，集成了合理密植群体优化培育、水肥精准分期调控、'一喷多促'叶面增香提质增效、节水间歇灌溉、绿色综合防控、全程机械化作业等关键技术。","## 兴宁市丝苗香稻增香轻简化优质丰产栽培技术实现显著增产\n\n为推动广东水稻大面积单产提升，近日，兴宁市农业农村局组织了有关专家，对国家重点研发计划项目任务“华南优质丝苗香稻增香轻简化优质丰产栽培技术与集成示范”百亩攻关田进行现场测产验收。\n\n![Image 1](https:\u002F\u002Fp3-sign.toutiaoimg.com\u002Ftos-cn-i-axegupay5k\u002F9b9ba219fd3d49828086106df9c66bff~tplv-tt-origin-web:gif.jpeg?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1786233276&x-signature=16PVQXuyA4sTkebT%2BD97qBgdaYE%3D)\n该项目在梅州市兴宁市永和镇香稻种植基地建立了“华南优质丝苗香稻增香轻简化优质丰产栽培技术”攻关田117亩，示范田面积387亩。此次测产验收工作由省、市专家组成专项验收组，严格遵守农业农村部水稻实收测产相关方法与规定进行，通过随机抽样选定田块，经现场收割机实割、称重、含水量测定、除杂和折算等，结果显示，示范田水稻平均亩产达580.25公斤，比对照田增产18.81%。\n\n专家组组长、广东省农科院水稻研究所傅友强研究员表示，百亩攻关田和示范片丝苗香稻长势均衡，株型清秀，剑叶直立，田间病虫害极少，后期稻穗金黄，实现丰产稳产。专家组一致认为，该技术通过关键生产技术创新集成示范应用与规范化管理，水稻增产效果显著，提质增效明显。\n\n![Image 2](https:\u002F\u002Fp3-sign.toutiaoimg.com\u002Ftos-cn-i-tjoges91tu\u002Fbfddfbdf4644cef17d53ace927a10292~tplv-tt-origin-web:gif.jpeg?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1786233276&x-signature=F8KExAMqDbK96FA32Gc8KfXTlys%3D)\n据项目负责人、华南农业大学田华介绍，该栽培技术体系以香型丝苗稻专用品种为核心载体，集成了合理密植群体优化培育、水肥精准分期调控、“一喷多促”叶面增香提质增效、节水间歇灌溉、绿色综合防控、全程机械化作业等关键技术，构建起“良种+农机+农艺”融合体系。在减少30%以上田间用工投入的同时，同步实现了优质香稻增香生产轻简化，促进丝苗香稻的高产优质高效协同。\n\n华南农业大学科技特派员、广东省现代农业产业技术体系水稻创新团队岗位专家莫钊文指出，该集成技术具备了在群体光合调控、绿色病虫防控、抗逆稳产层面的综合协同优势。通过引进国家级、省部级等项目，建设项目示范基地，成功推动了技术成果在兴宁市永和镇落地转化，有效赋能当地丝苗米产业提质增效。\n\n梅州市柒农米生态农业科技有限公司总经理温爱文表示，在华南农业大学团队的长期技术帮扶下，企业的丝苗米产量和品质都得到了很大提升，为基地带来可观的效益。\n\n南方+记者 张柳青\n\n通讯员 赖绮思 练碧桢\n\n【作者】 张柳青\n\n【来源】 南方报业传媒集团南方+客户端","南方+客户端 2026-07-24","2026-07-24T00:00:00Z",62,{"impact":222,"substance":100,"depth":222,"authority":13,"freshness":107,"relevant":22,"comment":364},"报道了广东丝苗香稻栽培技术示范田测产结果，增产数据具体，技术集成有亮点，但属省级以下区域动态，时效性较低。",[366],{"name":360,"url":357},[27,28,368,369,370],"广东省农科院","丝苗香稻","百亩攻关田",{"code":33,"slug":34,"name":27,"path":35,"parent_code":36},[],{"status":39,"locked":14,"version":40,"method":41,"evidence":374},{"candidates":375,"agricultural_evidence":45},[376,380,384,390],{"code":33,"score":17,"supported":45,"title":377,"abstract":378,"tags":379},[27],[27],[27],{"code":344,"score":155,"supported":45,"title":381,"abstract":382,"tags":383},[],[347],[],{"code":385,"score":155,"supported":45,"title":386,"abstract":387,"tags":389},"H3",[],[388],"灌溉",[],{"code":58,"score":22,"supported":14,"title":391,"abstract":392,"tags":393},[],[],[28],[395,396],"广东省农科院 百亩攻关田 丝苗香稻 单产提升","广东省农科院 百亩攻关田","广东省农科院百亩攻关田丝苗香稻单产提升-169","2026-08-01T23:53:43.444768Z"]