烟后套作玉米对作物生产和土壤养分的影响

刘弟, 宋来贵, 田临卿, 李志刚, 马俊美, 李作森, 年夫照, 焦健, 邓小鹏

Effects of Relay Intercropping Corn after Tobacco on Crop Production and Soil Nutrients

Liu Di, Song Laigui, Tian Linqing, Li Zhigang, Ma Junmei, Li Zuosen, Nian Fuzhao, Jiao Jian, Deng Xiaopeng

表4 烤烟与玉米套作对烤烟上部叶化学成分的影响

Table 4 The effects of intercropping tobacco with maize on the chemical composition of upper leaves of flue-cured tobacco

处理 Treatment 总糖 Total sugar (%) 还原糖 Reducing sugar (%) 总氮 Total nitrogen (%) 烟碱 Nicotine (%) 氧化钾 Potassium chloride (%) 氯 Chlorine (%) 钾氯比 Potassium- chloride ratio 氮碱比 Nitrogen- alkali ratio T1 18.82±0.16 15.62±0.15* 2.78±0.02 4.41±0.06 2.46±0.02* 0.34±0.01* 7.23±0.13 0.63±0.006 T2 18.55±0.19 15.01±0.10 2.82±0.03 4.25±0.03 2.33±0.03 0.30±0.01 7.70±0.21* 0.66±0.003*