红壤条件下水氮耦合对烤烟促生及烟叶品质的影响

Effects of Water-Nitrogen Coupling on Growth Promoting and Flue-Cured Tobacco Leaves Quality Under Red Soil Condition

基于烤烟节水灌溉系统,探讨了红壤条件下水氮耦合对山地烤烟促生及烟叶品质的影响。结果表明,在烤烟移栽后第15和30天,以灌水量1000~2000 mL/株,追肥施氮量31.5 kg/hm^2的水氮耦合处理有利于烟株根系发育和地上部分干物质积累,烟田烟株群体结构较好,提高烟叶的外观质量和抽吸品质,但烟叶常规化学成分协调性稍欠。

Based on the water-saving irrigation system of flue-cured tobacco,the effects of water-nitrogen coupling on the growth-promoting and quality of flue-cured tobacco in mountainous areas were studied.The results showed that,on the 15^（th） and 30^（th） day after transplantation,the irrigation amount water 1000 ~ 2000 mL/plant,the coupling treatment of water and nitrogen with 31.5 kg/hm^2 of top application nitrogen application amount was propitious to root development and dry matter accumulation on the ground.Group structure of flue-cured tobacco plant was better than CK treatment,improved the quality of tobacco leaf appearance and sensory quality,but the coordination of conventional chemical components in tobacco leaves was slightly insufficient.