不同中微量元素肥用量对烤烟生长发育和质量的影响

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关键词中微量元素;烟草;农艺性状；光合特性；化学成分

中图分类号S572文献标识码A

文章编号 0517-6611（2025）21-0167-06

doi：10. 3969/j. issn. 0517-6611. 2025. 21. 032

AbstractByusingfeldrials，theaiulivarfrostedtobaoiandoProveaseleedsecttexploee ofdfferentferlatioofcodayndraceemesoothveloptndaitofrasedbacocaloel tilizationptsusedastecotrolgroup（CK）andtreetreamentgrouswresetup：T，ithanditioalaplicationofscday and trace element fertilizer of 225kg/hm2 on top of the conventional fertilization locally;T2，with an additional application of secondary and trace element fertilizer of 300kg/hm2 on top of the conventional fertilization locally;T3，on the basis of local conventional fertilization，apply （204号 375kg/hm2 of secondary and trace element fertilizer.The results showed that the application of 300kg/hm2 of additional secondary and trace elemenfertlipromotedteapideveopenofbaccoplatsmproedteooictraitsofastedbcondlidoat foundation for the high yield of tobacco.At the same time，the application of 300kg/hm2 of trace element fertilizer could also increase the net photosyntheticrate，stomatalconductanceand transpiratiorateofroasted tobacco，educetheconcentrationofinter-celular CO2 ，and improve thepotosyticacteiofccindofclatiodtasfoatioofdatofascd dition，the application of 300kg/hm2 of additional secondaryand trace element fertilizer could coordinate the chemical composition of the roastedtobaccoleavesandultiatelyimprovethqualityoftetbacolavesndonoicaracteistishichisofgeatsignificaeforth growth and development of high-quality roasted cigarettes and tobacco cultivation.

Key wordsSecondaryand trace elements;Tobacco;Agronomic traits;Photosynthetic properties;Chemical composition

烟草（Nicotianatabacum）是我国重要的经济作物之一，以烟叶为收获对象，烟草的种植面积和总产量均居世界第二[1]。（剩余12351字）