施氮量、种植密度和留叶数对湘西烟区湘烟7号产量和质量的影响

朱子健, 陈娜娜, 吴月莹, 穰中文, 戴林建, 田明慧, 田峰, 易镇邪

Effects of Nitrogen Application Rate, Planting Density and Retained Leaf Number on Yield and Quality of Xiangyan 7 in Tobacco Region of Western Hunan

Zhu Zijian, Chen Nana, Wu Yueying, Rang Zhongwen, Dai Linjian, Tian Minghui, Tian Feng, Yi Zhenxie

表5 不同栽培措施下烤后烟叶化学性状的边际值

Table 5 Marginal values of chemical properties of cured tobacco leaves under different cultivation measures

栽培因子 Cultivation factor C3F B2F 总氮 Total nitrogen (%) 烟碱 Nicotine (%) 总糖 Total sugar (%) 还原糖 Reducing sugar (%) 糖碱比 Sugar/ alkali 氮碱比 Nitrogen/ alkali 总氮 Total nitrogen (%) 烟碱 Nicotine (%) 总糖 Total sugar (%) 还原糖 Reducing sugar (%) 糖碱比 Sugar/ alkali 氮碱比 Nitrogen/ alkali N1 1.91c 1.98b 28.70a 23.33a 11.91a 0.98a 1.99b 2.88c 22.09a 18.32ab 6.48a 0.70a N2 2.01b 2.08b 26.40b 22.78a 11.05a 0.98a 2.08a 3.63a 22.23a 19.39a 5.34b 0.57c N3 2.07a 2.34a 23.46c 19.40b 8.34b 0.89b 2.09a 3.34b 19.80b 17.85b 5.61b 0.64b D1 2.04a 2.17a 26.34ab 21.55a 10.04b 0.94ab 2.09a 3.46a 20.74ab 17.70b 5.15b 0.61b D2 1.97b 2.22a 25.17b 21.79a 9.90b 0.89b 2.04a 3.37a 20.61b 19.26a 5.98a 0.62b D3 1.98b 2.00b 27.05a 22.17a 11.36a 1.01a 2.03a 3.02b 22.77a 18.70ab 6.33a 0.68a L1 2.00ab 2.12a 26.88a 21.57a 10.34a 0.95a 2.04a 3.56a 19.52b 16.64b 4.74b 0.58c L2 1.96b 2.14a 25.37a 22.18a 10.47a 0.92a 2.03a 2.98c 22.11a 18.79a 6.55a 0.70a L3 2.02a 2.14a 26.31a 21.75a 10.50a 0.96a 2.09a 3.30b 22.50a 20.23a 6.16a 0.64b 极差Range N 0.16 0.36 5.24 3.93 3.57 0.09 0.10 0.75 2.29 1.54 1.14 0.13 D 0.07 0.22 1.88 0.62 1.46 0.12 0.06 0.44 2.16 1.56 1.18 0.07 L 0.06 0.02 1.51 0.61 0.16 0.04 0.06 0.58 2.89 3.59 1.81 0.12