Weeds big topic at organic field day

Increased herbicide resistance in ryegrasses and weeds will be a real threat to farming and viticulture in the future, says scientist Dr Charles Merfield, of the BHU (Biological Husbandry Unit Organics Trust) Future Farming Centre at Lincoln University.
He was speaking at a Southern Organic Group field day on Bruce and Merril Catto's Waipahi property in front of 115 people on November 23.
Organiser Allan Richardson said the theme of the event was ''Growing great crops and pastures with less chem