%A Andi Schmid %A Claudia Daniel %T Reduced copper treatments in strawberries by cultural methods %X Effect of cultural methods on leaf spot (Mycosphaerella fragariae Tul.) and yield in strawberries. The possibilities of reduction of copper input in organic strawberry crops is explored. %D 2003 %K Bioobstbau, Biobeeren, Sch?dlinge, N?tzlinge, Erdbeeren, strawberries, organic fruit production, copper reduction, Mycosphaerella fragariae Tul. %L orgprints2698