Ann. Tabac, 1991, Sect. 2-23, p. 105-26., ISSN.0399-0354
Effect of calcium-magnesium corrective supply on the characteristics of soil and Burley tobacco BB 16
SEITA, Institut du Tabac, Bergerac, France
Since 1972, supplies of magnesium-limestone (CaO 30-35%, MgO 20-25%) are regularly_ i.e. each two years_ applied on an acid alluvial sandy soil, at the rate of 1 t.ha-1 (C1), 2 t.ha-1 (C2), and 4 t.ha-1 (C4), in order to study, by comparison to a non ...