以河道清淤淤泥为伴侣创制育秧营养土对机插水稻秧苗素质的影响

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关键词淤泥；水稻；育秧基质；秧苗素质中图分类号S511文献标识码A文章编号 0517-6611（2025）13-0144-05doi：10.3969/j. issn.0517-6611. 2025.13. 027开放科学（资源服务）标识码（OSID）：

The Efect of Creating Sedling Nutrient Soil Using Sediment from River Dredging on the Quaityof Machine-transplanted Rice Seedlings

DONG Qing-jun1，MA Yan-wei，XIEChang-yan'etal（1.Jiangsu XuhuaiHuaiyin Agriculcutural ScienceResearch Institute，Huai an，Jiangsuo;.CollgeofResouresandEnviroentalSiencs，NnjngAgiculturalUnivesity，Nanjing，Jiags095）

AbstractUsingsdimentfromiverdredgingmiedwithoommerciallvailablesdlingsubstrates，igtierentompaonstates forricediiatieatdissudestgatedtsfeasbsatoalityfdt morpholog，nddraeculatioAditoallyalsofotstatioobstsingd，ndpresiaatin indexwereodedtodntifthtialsdintadsubaeatiitablefultiatigagappopatesod-tesisinHaia The results showed that the formulation of 20% sediment and 80% substrate 2 increased rice seedling rate，leaf age，and stem base width，promotedunergroundrootgrowth，significantlyehancedootlngthootsuceareaotvoue，andincreasedtheumberofripsUn derthisfomulation，teomprehesieevauationidfoasteghst，akingittestsubsratefoulaforicesdlgulia tion. Therefore，the 20% sediment and 80% substrate 2 formulation is recommended as an ideal seedling substrate for rice.

Key wordsSediment;Rice;Seedling substrate;Seedling quality

江苏现有水稻耕地面积超过220万 hm2 ，其中机插秧面积在2009年就已突破73万 hm2 ，机插率稳定在 75% 左右[1-2]。（剩余9202字）