钾肥用量和追肥时期对抗黑胫病红花大金元烟叶化学成分及产量和质量的影响

夏玉兰, 王德勋, 赵园园, 范志勇, 李娟, 王阁, 赵志豪, 史宏志

Effects of Potassium Fertilizer Dosage and Topdressing Period on Chemical Composition, Yield and Quality of Leaves ofBlack Shank-Resistant Tobacco Honghuadajinyuan

Xia Yulan, Wang Dexun, Zhao Yuanyuan, Fan Zhiyong, Li Juan, Wang Ge, Zhao Zhihao, Shi Hongzhi

表3 不同钾肥用量和追肥时期对烤烟经济性状的影响

Table 3 Effects of different potassium fertilizer dosages and topdressing periods on the economic traits of flue-cured tobacco

处理 Treatment 产量 Yield (kg/hm2) 产值 （元/hm2） Output value (yuan/hm2) 均价 （元/kg） Mean price (yuan/kg) 中上等烟比例 Proportion of medium and high quality tobacco (%) A1B1 2552.62de 70 399.07de 27.58de 82.61bc A1B2 2909.33a 85 768.34a 29.48a 88.42a A1B3 2690.87bc 76 193.18bc 28.32bc 84.73b A2B1 2469.71ef 67 679.89efg 27.40de 80.67cd A2B2 2780.40b 79 317.89b 28.53b 83.49bc A2B3 2502.83ef 69 804.28ef 27.89cd 81.71cd A3B1 2380.99f 64 736.23g 27.19e 75.39f A3B2 2643.12cd 73 523.23cd 27.82cd 79.38de A3B3 2464.38ef 67 064.27fg 27.21e 77.63ef F(A) 62.30** 149.03** 63.14** 130.41** F(B) 128.49** 275.03** 87.19** 38.00** F(A×B) 2.08 7.42** 8.10** 1.86