烟草类型、植株部位、栽培方法、成熟度和肥料处理是决定烟草属植物中生物碱含量的几个重要因素。
The tobacco types, stalk position, cultivation method, maturity and fertilizer are the most important factors which determine the content of nicotine in tobacco plant.
烟草类型、植株部位、栽培方法、成熟度和肥料处理是决定烟草属植物中生物碱含量的几个重要因素。
The tobacco types, stalk position, cultivation method, maturity and fertilizer are the most important factors which determine the content of nicotine in tobacco plant.
应用推荐