Ann. Tabac, 1983-84, Sect. 2-17, p. 177-95., ISSN.0399-0354
Effect of plant spacing and of different topping and suckering methods on the major characteristics of a Virginia type tobacco
Over a period of 3 consecutive years, 9 types of cultural practices in the field have been compared : 3 dates of topping : early topping, non-topping and controlled non-topping, along with 3 plant spacings : 18,200, 28,600 and 35,700 plants per...