What grows in rapeseed crops? Three-year long research project of weed development in rapeseed finished.

摘要

A weed monitoring project was initiated in 512 fields in Germany in 2005-06. In 2007-08, nearly 1500 fields were monitored in 11 Federal states. The main weeds were volunteer cereals, often more than 17 plants/m2. However, slender meadow foxtail [Alopecurus myosuroides] had the highest density (60 plants/m2) but was only found in 16% of fields. On average 11 weed species were found in each field.