Question

why are cows farmed in the Riverina region (Australia)

Answer 1

The high soil fertility and abundance of water in the Riverina floodplain has made the Riverina region one of the most productive farming regions in Australia with rice, wheat, maize, canola, citrus and wine grapes being grown in the area. ... 182,000 hectares (450,000 acres) are under irrigation in the region.

Answer 2

The Riverina /rɪvəˈriːnə/[2] is an agricultural region of South-Western New South Wales (NSW), Australia. The Riverina is distinguished from other Australian regions by the combination of flat plains, warm to hot climate and an ample supply of water for irrigation.