Effects of Nitrogen Application on Yield and Quality of Fujian Cigar Tobacco

doi:10.11924/j.issn.1000-6850.casb2025-0133

Abstract

Abstract:

This study aimed to investigate the effects of nitrogen application rate on the yield and quality of cigar tobacco in Fujian producing area. Using the cigar filler variety ‘Haiyan 204’, field experiments were conducted with five nitrogen application treatments: 0 kg/hm² (N0), 120 kg/hm² (N8), 180 kg/hm² (N12), 210 kg/hm² (N14), and 240 kg/hm² (N16). Key indices including economic traits, smoking quality, agronomic traits, chemical components, physiological metabolism, and antioxidant enzyme activities were measured. The results showed that the N14 treatment yielded the best economic traits, superior smoking quality, and optimal agronomic traits. Compared with N0, the N14 treatment significantly increased the output value by 273.54% and significantly increased the maximum leaf area by 34.06%. With increasing nitrogen application, the chemical components and physiological metabolism indicators of cigar tobacco leaves generally exhibited a trend of increasing first, then decreasing and then increasing again. Under the N14 treatment, the total nitrogen and chlorine contents were relatively low, while reducing sugar and total sugar contents were moderate. The nicotine content was higher. Stress-resistant substances, such as soluble protein and peroxidase (POD), maintained higher levels. Nitrogen metabolism-related synthetase activities were relatively lower, but amylase and acid invertase activities were significantly enhanced. Comprehensive analysis indicated that under the N14 treatment, tobacco leaves demonstrated the highest economic performance, the best plant growth and appearance, more harmonious chemical composition, and improved plant resistance. For cultivating ‘Haiyan 204’ in the Fujian region, the recommended pure nitrogen application rate is 180-210 kg/hm².

Key words: cigar tobacco, yield, quality, nitrogen application rate, agronomic trait, chemical composition, antioxidant enzymes

LI Shilong, SHEN Lihua, LIN Boya, JIA Kai, LIAN Lingli, BAI Lingli, SHI Juanjuan, ZENG Wenlong, YANG Zongfeng, LI Wenqing, ZHENG Chaoyuan. Effects of Nitrogen Application on Yield and Quality of Fujian Cigar Tobacco[J]. Chinese Agricultural Science Bulletin, 2025, 41(25): 16-22.

Figures/Tables 9

References 34

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处理	Ca(NO₃)₂·4H₂O	KH₂PO₄	K₂SO₄	Mg(OH)₂	钙镁磷	细土	NH₄HCO₃	KNO₃	K₂SO₄
N0	0.00	12.67	20.53	6.67	10.00	166.67	0.00	0.00	13.33
N8	28.00	12.67	22.53	6.67	10.00	166.67	1.33	13.33	0.00
N12	43.33	12.67	16.87	6.67	10.00	166.67	1.33	20.00	0.00
N14	50.00	12.67	13.33	6.67	10.00	166.67	1.33	24.20	0.00
N16	59.33	12.67	13.33	6.67	10.00	166.67	1.33	24.20	0.00
施用方法	条施	条施	条施	条施	钙镁磷、细土拌匀堆沤后穴施		浇施	双侧条施	双侧条施

处理	Ca(NO₃)₂·4H₂O	KH₂PO₄	K₂SO₄	Mg(OH)₂	钙镁磷	细土	NH₄HCO₃	KNO₃	K₂SO₄
N0	0.00	12.67	20.53	6.67	10.00	166.67	0.00	0.00	13.33
N8	28.00	12.67	22.53	6.67	10.00	166.67	1.33	13.33	0.00
N12	43.33	12.67	16.87	6.67	10.00	166.67	1.33	20.00	0.00
N14	50.00	12.67	13.33	6.67	10.00	166.67	1.33	24.20	0.00
N16	59.33	12.67	13.33	6.67	10.00	166.67	1.33	24.20	0.00
施用方法	条施	条施	条施	条施	钙镁磷、细土拌匀堆沤后穴施		浇施	双侧条施	双侧条施

处理	产量/(kg/hm²)	产值/(万元/hm²)
N0	615.02b	2.23c
N8	1289.95a	5.22b
N12	1349.98a	6.96a
N14	1394.91a	8.33a
N16	1339.94a	7.56a

处理	产量/(kg/hm²)	产值/(万元/hm²)
N0	615.02b	2.23c
N8	1289.95a	5.22b
N12	1349.98a	6.96a
N14	1394.91a	8.33a
N16	1339.94a	7.56a

处理	风格与特征
N0	雪茄风格不典型；香气空洞，烟气浓度不足；口感余味较为寡淡
N8	雪茄风格不典型；香气较弱，烟气浓度较弱；口感余味偏淡
N12	具有明显雪茄风格特征；有木、辛、青香香韵；烟气浓度适中，舒适度中等，有一定成熟感；有枯焦气、木质气、回甜感；燃烧性较好，灰色为灰白，凝灰度较好
N14	具有雪茄风格特征；烟气成熟度与N12相比稍差，其余特征与N12相似
N16	雪茄风格不够典型，香气、烟气浓度偏弱，舒适感、成熟感不强；有青杂、枯焦和木质气以及回甜感；苦味、碱刺感较为凸显；燃烧性较好，灰色偏灰，凝灰度中等