富磷土壤减施磷肥对烤烟农艺性状及产质量的影响

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关键词富磷土壤；磷肥减量；烤烟；经济性状；质量中图分类号S572文献标识码A文章编号 0517-6611（2026）01-0161-05doi： 10.3969/j .issn.0517-6611.2026.01.031

开放科学（资源服务）标识码（OSID）：

The Efects of Reduced Phosphorus Fertilizer Applicationonthe Agronomic Traitsand Yield QualityofFlue-cured Tobacco inPhos phorus-rich Soil

PENG Yu1 ，WANG Qi2 ，ZHOU Rui-fang³ et al（1. Colege of Agronomy，Hunan Agricultural University，Changsha，Hunan 410128; 2. JiangsuTbacoualisnggu8inacogiustralCdcang，g

AbstractToxploetsibilofucgspusfertllcatoiophschobacogrowngsils，fldet was conducted with three different phosphorus fertilizer gradients（T1 25% reduction，T2 50% reduction，CK no reduction;same topdressing） . Theagronoicraitsoicraitsdosalitdatsfuurdacerdinttramntserempesiely lyzed.The results showed that the efective leaf number of flue-cured tobacco with 25% and 50% phosphorus reduction increased slightly compared to CK，by 8.4% and 10.7% respectively ;the stem content in the upper leaves of flue-cured tobacco with 25% and 50% phosphorus reduction was significantly lower than CK by 1.24% and 3.78% ;the nicotine content in all leaf positions with 25% phosphorus reduction was significantly higher than CK.Phosphorus reduction improved the economic traits offlue-cured tobacco，with yields of 25% and 50% phosphorus reduction treatments increasing by 6.9% and 5. 5% respectively compared to CK，and the output value increased by 7 63O.60 and 5525.37yuan/hm.Phosphorusreductionhadacertainpromotingefectonthesensoryqualtyofmidleleavesofflue-curedtobaccowith 25% phosphorusreductionsignificantlyimprovingvariousqualityevaluationindicatorscomparedtoCK，andtetotalqualityevaluatioscore increased by 2.65：50% phosphorus reductionshowed no significant difference compared toCK，with slight increases inallindicators exceptaftertaste.In summary，the economic traits of flue-cured tobacco with 25% and 50% phosphorus reduction were improved to varying degrees，and a 25% reductioninposphorusfertilizerfurthrimprovedtequalityoftobaccolaves.Thereforeitispreliminarilyconsideredfeasibletoe duce phosphorus fertilizer application by 25% in phosphorus-rich tobacco-growing soils.

Key wordsPhosphorus-rich soil;Phosphorus fertilizer reduction;Flue-cured tobacco;Economic traits;Quality

磷是烤烟必需的营养元素[]，磷素参与烤烟光合作用并促进体内多种有机化合物的合成，合理施用磷肥对烟叶生长发育和烟叶品质提升具有重要作用[2]。（剩余9646字）