Ann. Tabac, 1981-82, Sect. 2-17, p. 65-72., ISSN.0399-0354
Twenty years of blue mold control in Switzerland
As the fungicides used for the blue mold control are registred the exact amount employed each year is known. During the 1961-1981 period the evolution of the quantity used was as follows : a quick decrease until 1970 with a minimum of 5.25 kg...