钾肥不同追施比例对红花大金元和云烟300生长、产量及质量的影响

夏玉兰, 赵园园, 李娟, 王德勋, 王婷婷, 杨成伟, 史宏志

Effects of Different Topdressing Ratios of Potassium Fertilizer on the Growth, Yield and Quality of Honghuadajinyuan and Yunyan 300

Xia Yulan, Zhao Yuanyuan, Li Juan, Wang Dexun, Wang Tingting, Yang Chengwei, Shi Hongzhi

表5 钾肥不同追施比例对烤烟中部叶化学成分的影响

Table 5 Effects of different topdressing ratios of potassium fertilizer on chemical composition of middle leaves of flue-cured tobacco

处理 Treatment 烟碱含量 Nicotine content (%) 还原糖含量 Reducing sugar content (%) 总糖含量 Total sugar content (%) 总氮含量 Total nitrogen content (%) 钾含量 Potassium content (%) 氯含量 Chlorine content (%) 钾氯比 Potassium-to- chloride ratio HCK 3.07±0.07a 19.80±0.52d 25.70±0.28d 2.04±0.04a 1.62±0.03c 0.40±0.08a 4.23±0.87c H1 2.52±0.02b 22.80±0.17b 31.20±0.34b 1.63±0.01b 1.98±0.06b 0.32±0.02ab 6.20±0.28b H2 2.29±0.01c 23.80±0.15a 32.10±0.27a 1.56±0.04c 2.11±0.02a 0.29±0.03b 7.33±0.62a H3 2.63±0.10b 21.70±0.46c 30.00±0.53c 1.69±0.01b 1.96±0.07b 0.34±0.01ab 5.76±0.00b YCK 3.14±0.01a 19.50±0.31d 25.60±0.57c 2.19±0.08a 1.67±0.04d 0.38±0.01a 4.39±0.04d Y1 2.17±0.07c 24.40±0.26b 32.80±0.25a 1.60±0.04c 2.07±0.06b 0.31±0.01c 6.75±0.15b Y2 2.02±0.02d 25.00±0.08a 33.40±0.52a 1.52±0.01d 2.15±0.04a 0.28±0.01d 7.68±0.07a Y3 2.55±0.05b 23.90±0.12c 31.30±0.22b 1.68±0.06b 2.00±0.08c 0.33±0.02b 6.06±0.06c