Guardian: It was a soil bacteria course in New Zealand that convinced Reggie Davis to change his farming methods.
The fourth-generation Victorian dairy farmer had become increasingly concerned by the costs, chemicals and time involved in the use of nitrate fertilisers to maintain – what was considered to be – high-quality pasture for his dairy herd.
“I’ve always regarded myself as a progressive farmer, open to new ideas,” he says.
So when his dairy herd nutritionist mentioned that the US biological…

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