From the Maitland Mercury report:
It followed trends of cotton and tobacco that flourished in the Paterson area and brought money for farmers to raise their families.
The orange crops were nicknamed the Paterson orange, even though the variety is believed to have originated in China or India.The sweet and juicy Paterson oranges built a solid reputation across the state. It began in the 1820s and was strong until it declined after World War II.
Author Valma Patfield, who has written the book Paterson Orange, said farmers turned to dairy farming when the plants aged and consumer trends changed.
Full article available at Maitland Mercury, March 11, 2016.