Hofmann, Uwe
(2002)
Copper reduction and copper replacement - results and experiences of 12 years of on farm research.
[Verrringerung der Kupferaufwandmenge und Kupferersatz - langjÀhrige Erfahrungen in praktischen Betrieben.]
In:
Boos, Markus (Ed.)
10th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing and Viticulture. Proceedings to the Conference from 4th to 7th Feb. 2002 at Weinsberg/Germany, pp. 181-184.