[Objective] This study was aimed to screen out the strong-aroma tobacco variety with good ecological adaptability as the best cultivar in Chizhou. [Method] Based on the ecological conditions that formed the strong aroma style of tobacco leaves in the tobacco-growing area, 6 varieties（K326, NC55, NC71, 0508, Yunyan99, Yan240） were selected and compared through combining the demand characteristics of industrial enterprise to the quality. [Results] The output value of 0508 was the highest and NC71 had a medium output value but with coordinated chemical composition. The system evaluation of this study on the quality and characteristic style further clarified the feature strength and utility value of various tobacco varieties with strong aroma. [Conclusion] NC71 is the best cultivar in Chizhou tobacco-growing area, and it is suggested using NC71 as the demonstrative variety of the next year. The study on the excavation and screening utilization of tobacco varieties with local features is of great significance to the tobacco production industry.
为降低烟叶Cd含量,提高烟叶品质,通过两个地点田间试验研究土壤中配施不同用量赤泥和油菜秸秆对土壤和烟草Cd含量的影响。结果表明:在高Cd含量土壤中,7500 kg hm^(-2)赤泥粉和3000 kg hm^(-2)油菜秸秆组合配施效果最好,烟叶Cd消减率达到40%;而低Cd含量土壤中,采用赤泥粉和油菜秸秆施加量均为3000 kg hm^(-2)组合配施效果最好,烟叶Cd消减率达到21%。与对照相比,钝化剂对土壤Cd全量无显著影响,但显著降低土壤有效态Cd含量,而烟草Cd含量与土壤有效态Cd含量呈显著正相关。因此,赤泥和油菜秸秆复合可有效降低土壤和烟叶的Cd污染。
