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4 钾肥不同追施比例对烤烟中部叶物理特性的影响

Table 4 Effects of different topdressing ratios of potassium fertilizer on the physical properties of middle leaves of flue-cured tobacco

处理 Treatment 叶长 Leaf length (cm) 叶宽 Leaf width (cm) 叶面积 Leaf area (cm2) 单叶重 Single leaf weight (g) 叶质重 Leaf density (g/m2) 含梗率 Midrib ratio (%) HCK 66.60±0.57d 23.70±0.88d 1001.83±45.71d 11.66±0.27d 84.95±0.60d 29.91±0.24a H1 71.24±0.44b 26.62±0.38b 1203.38±24.81b 13.28±0.17b 91.39±0.44b 28.24±0.23c H2 73.28±0.48a 28.86±0.30a 1341.97±22.88a 14.59±0.28a 95.67±0.27a 27.15±0.25d H3 70.12±0.45c 25.62±0.89c 1140.12±47.07c 12.82±0.10c 88.65±0.64c 29.24±0.27b YCK 68.62±0.43c 24.22±0.78d 1054.56±35.80d 12.87±0.27d 89.54±0.48d 31.54±0.16a Y1 71.24±0.18b 28.43±0.26a 1285.12±15.16a 13.61±0.31b 94.01±0.73b 27.92±0.20c Y2 73.59±0.51a 26.58±0.37b 1241.22±25.98b 14.78±0.27a 99.31±0.42a 26.48±0.28d Y3 70.60±0.56b 25.78±0.75c 1155.10±42.87c 13.18±0.18c 91.44±0.36c 29.01±0.30b