France-Tabac, 1989, 47, p. 26-7, ISSN.0296-3361 The rationale of nitrogen fertilization on Virginia tobacco DE ROTON C. CFPPT, Bergerac, France
France Tabac, 1987, 28, p. 6-30, ISSN.0296-3361 Harvesting and curing tobaccos DE ROTON C. Black tobacco. Burley. Virginia....
France Tabac, 1988, 39, p. 5-17, ISSN.0296-3361 Control of flowers and buds on tobacco ARRESTIER R.; DE ROTON C. Institut du Tabac, Bergerac, France Topping. Suckering....
France Tabac, 1987, 24, p. 6-8, ISSN.0296-3361 The sanitary treatment of seedbeds DE ROTON C. Methyl bromide. Di-trapex. Vapam. Basamid. Fongosan....
France Tabac, 1986, 16, p. 24-5, ISSN.0296-3361 Chemical weeding of tobacco DE ROTON C. Metobromuron. Alachlor. Pendimethalin. Oxadiazon-Napropamide. Fluazifop-p-butyl....
France Tabac, 1986, 17, p. 11, ISSN.0296-3361 Comparative trials of suckercides Ost Super and Ost 85 on flue-cured tobacco DE ROTON C.
France Tabac, 1986, 17, p. 12-13. Comparative trials of suckercides CA 770 et Ost 85 on flue-cured tobaccos DE ROTON C. Butraline + Fatty alcohols....