The content of nornicotine is higher after flue-curing than before flue-curing.
The content of nornicotine is higher after flue-curing than before flue-curing.
湿度对烟碱含量影响无明显的规律性。
The content of nornicotine is higher after flue-curing than before flue-curing.
湿度对烟碱含量影响无明显的规律性。