Bull. Spec. CORESTA Congress, Lisbon, 2000, p. 112, APOST11
The use of the natural bioregulators in tobacco growing
National Society Rumanian Tobacco S.A. Bucharest, Rumania.
Two biologically active products, environment-friendly of vegetal origin, with no harmful effects for man and animals, called VS. and Ecostim in the concentrations of 0.05 g/l and 0.08 g/l for the first product and 0.02 g/l and 0.08 g/l for the second, ...