水稻中后期喷施叶面肥对“南粳9108”产量及经济效益的影响
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关键词水稻；叶面肥；养分；产量；产量构成因子；经济效益
中图分类号S511 文献标识码A
文章编号 0517-6611（2026）03-0154-04
doi：10.3969/j.issn.0517-6611.2026.03.028
开放科学（资源服务）标识码（OSID）：
Effects ofFoliarFertilizerApplicationinthe MiddleandLate Growth Stageson YieldandEconomic BenefitsofRiceNangeng910 TANGChuan-yong1，MAYan-wei，ZHANGMiaoetal（1.Huai’anHongzeDistrict CulivatedLandQualityProtectionStation， Hongze，Jiangsu22310o；2.NanjingAgriculturalUniversiy，Nanjing，Jiangsu1095；3.JangsuXuhuai HuaiinAgriculcuturaScience Research Institute，Huai‘an， Jiangsu ）
AbstractTakingriceNangeng98asexperimentalmaterial，thisstudydevelopedfournovelfoliarfertlizersandevauatedtheectsn ricegrowth，yielddoomicneits，indertoproideaientisisregdplingnoecespififll. The results showed that all four foliar fertilizers enhanced 1 OOO-grain weight （ 3.81% -13. 66% increase）and productive panicle number （ 2.01%-6.68% increase）comparedto CK.Notably，treatment T4（water-soluble fertilizer IV）demonstratedoptimal performance，showing （204 19.49% and 4.97% improvements in filed grain numberand grain yield，respectively.The nutrientcontentsand uptakeof nitrogen，phosphorusandpotassmingaseretegstiheTreamentCorelatioaalysisshodtatthitroenandposporotetin grainswasitlyotrelsiantleaedieddeldostintfctos，uggtiatfoalsd riceyieldbypromotirntotiodutlatioeyTankgofocftsisflos：wateble IV> water-soluble fertilizer I> water-soluble fertilizer III > control > water-soluble fertilizer II，with benefit-cost ratios ranging from O.37 to 3.52.TheapcaofwatersubleertlieVigfantlyicreadceprotndlosectent，ndispalatabilitvauie optialrangeofcealitydetection.Inconcusion，thissudysowedthatthlicationofwatersolublefertleIVurigtherowth periodsnHuai’anicprodcinggiosostectivelypromotedcopgowthcreasedieldandiprovdoomices，tablis hing it as the optimal foliar fertilization strategy.
KeyWordsRice;Foliar fertilizer;Nutrient; Yield; Yield constituent factors;Economic benefit
水稻是江苏省第一大粮食作物，常年种植面积稳定在220万 hm2 左右，居全国第六，总产量195亿 kg 左右，居全国第四，为我国南方最大的粳稻主产区，是国家“口粮绝对安全”的重要支撑，实现水稻高产高效生产对于提升区域水稻产能和保障国家粮食安全具有重要价值[1-2]。（剩余5985字）
