Before the days of hormone sprays, a solution of sodium chlorate was sprayed onto weeds such as blackberry and ragwort. Here a small, two-stroke petrol motor powers a spray unit on the back of a truck used to control roadside weeds.
Using this item
Archives New Zealand - Te Rua Mahara o te Kāwanatanga
Reference: AANR 6329 24 DA 31,830
This item is licensed under a Creative Commons Attribution 3.0 New Zealand Licence