with Peter McKenzie, private agronomist, Quirindi NSW
The Liverpool Plains is a hot spot for herbicide resistance. Growers have been doing battle with glyphosate and Group A and Group B resistant ryegrass since the 2000s, along with high levels of glyphosate resistance in milk thistle and rising resistance in feathertop Rhodes grass, barnyard grass and liverseed grass.
Well-known private agronomist, Peter McKenzie, is working with growers on the NSW Liverpool Plains around Quirindi to integrate the use of pre-emergent herbicides into their winter cropping program.[Read more…] about How can I manage the risk of using residual (pre-em) herbicides and disc seeders in winter crops?