施氮量与基追比对烤烟烟碱合成及关键酶活性的调控效应
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杨天旭, 李谨成, 黄瑞寅, 邓文君, 王军, 王维, 蔡一霞
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Regulation Effects of Nitrogen Application Rate and Basal-Topdressing Ratio on Nicotine Synthesis and Key Enzyme Activities of Flue-Cured Tobacco
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Yang Tianxu, Li Jincheng, Huang Ruiyin, Deng Wenjun, Wang Jun, Wang Wei, Cai Yixia
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表1 各处理不同施肥时期的用肥种类及施肥量
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Table 1 The type and amount of fertilizer used in different fertilization periods of each treatment kg/hm2
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处理
Treatment | 移栽前
Before transplanting | | 提苗期
Seedling raising stage | | 培土前
Before earthing | | 移栽后45d
45 days after transplanting | | 打顶后
After topping | 发酵型菜籽粕有机肥
Fermented rapeseed
meal organic fertilizer
(N:P2O5:K2O=4:2:2) | 烟草专用复合肥
Compound fertilizer
for tobacco (N:
P2O5:K2O=13:8:15) | 烟草专用复合肥
Compound fertilizer
for tobacco (N:
P2O5:K2O=13:8:15) | 烟草专用复合肥
Compound fertilizer
for tobacco (N:
P2O5:K2O=13:8:15) | 硝酸钾复合肥
Potassium nitrate
compound fertilizer
(N:P2O5:K2O=12:0:45) | 硫酸钾
Potassium
sulfate
(K2O 50%) | | A1B1 | 562.5 | 150.0 | | 225 | | 390.0 | | 112.5 | | 112.5 | | A1B2 | 562.5 | 345.0 | | 165 | | 255.0 | | 112.5 | | 112.5 | | A1B3 | 562.5 | 555.0 | | 90 | | 120.0 | | 112.5 | | 112.5 | | A2B1 | 562.5 | 225.0 | | 240 | | 435.0 | | 217.5 | | 112.5 | | A2B2 | 562.5 | 525.0 | | 165 | | 210.0 | | 217.5 | | 112.5 | | A2B3 | 562.5 | 712.5 | | 90 | | 97.5 | | 217.5 | | 112.5 | | A3B1 | 562.5 | 300.0 | | 360 | | 390.0 | | 300.0 | | 112.5 | | A3B2 | 562.5 | 600.0 | | 195 | | 255.0 | | 300.0 | | 112.5 | | A3B3 | 562.5 | 885.0 | | 45 | | 120.0 | | 300.0 | | 112.5 |
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