Weevil establishes on Rangitīkei farm; poised to defeat field horsetail weed 18 May, 2021 05:00 PM 3 minutes to read Horizons environmental programme co-ordinator Craig Davey speaks at the field horsetail workshop at Ferry View Farm. Photo / Supplied Horizons environmental programme co-ordinator Craig Davey speaks at the field horsetail workshop at Ferry View Farm. Photo / Supplied Whanganui Chronicle Success seems likely in the fight against field horsetail weed, prompting a Rangitīkei group which has been focusing on the pest to hold a celebratory workshop at Ferry View farm. The Northern Hemisphere weed spread to the coastal Rangitīkei farm with 2004 flood waters and became firmly established, Horizons environmental co-ordinator Craig Davey said.