In order to investigate the effects of using a rooting agent containing indole-3-butyric acid during the tobacco seedling stage on the quality of tobacco seedlings,as well as the growth,development,leaf yield,and quality of field-grown tobacco plants,a field trial was c...MORE In order to investigate the effects of using a rooting agent containing indole-3-butyric acid during the tobacco seedling stage on the quality of tobacco seedlings,as well as the growth,development,leaf yield,and quality of field-grown tobacco plants,a field trial was conducted in the Changning tobacco area of Hengyang C...