Trial over four years in fruit orchards: fireblight, mildew, codling moth.

Summary

Trial-area:
6 ha, from it approximately 2 ha pears and 4 ha different apple cultivars


Treatment:
since 1994 regularly penac-p 3041 as well as p 3042, penac-k 1541

One didn't give up conventional treatment completely. A total changeover is only practicable, when a slow step by step reduction of the conventional products is planned. The above users did not purchase or use any mineral fertiliser since 1993.

Observations of the year 1994

Observations of the year 1995

Observations of the year 1996