Biological control winning slowly

The ragwort flea beetle loves eating ragwort but doesn’t like getting its feet wet. The tiny insect’s huge appetite is saving New Zealand dairy farmers $44 million a year in control costs, a Landcare Research study has shown.

The way to spray

Whether it’s for spot-spraying weeds like ragwort and thistles or spraying out paddocks for cropping or regrassing, a spraying system is an essential piece of equipment on most dairy farms.