After attending the agricultural school in Rütti (Switzerland) and training on farms in Germany, the Constance-born viticulture expert Hofrat Karl Mader (1847-1914) began working as a travelling teacher for the agricultural and horticultural association in Bolzano. In 1877 he was appointed as a teacher of fruit growing and viticulture at the Istituto Agrario di San Michele all'Adige. His students included the future agronomist Rebo Rigotti (1891-1978), who later succeeded him as director of the institute.
From 1882, he took over the editorship of the "Tiroler landwirtschaftlichen Blätter" and the "Tiroler landwirtschaftlichen Kalender", where he wrote numerous articles, particularly on fruit growing. From 1893, he undertook fertilisation trials in viticulture and supervised the vine nurseries in preparation for measures to combat phylloxera, which was raging in many European countries at the time.
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