The $600,000 is for the second phase of the rural mental health initiative, and follows a similar funding commitment at last year's Fieldays.
The new funding will cover 10 more suicide prevention workshops in rural areas that don't yet get them, and the development of a new programme focussed on managing suicidal patients in rural areas.
Falling milk prices have put a spotlight on rural mental health.
The suicide rate for people living in rural areas is 12.5 per 100,000 people compared to 10.6 for every 100,000 people living in urban areas, according to information on the Federated Farmers website.
The Rural General Practice Network has welcomed the mental health programme, but says finding and keeping doctors in remote locations was a major challenge.