
Northland
(49% of total corn production)

Waikato
(12% of total corn production)

Bay of Plenty
(8% of total corn production)

Gisborne
(8% of total corn production)

Hawke's Bay
(7% of total corn production)

Manawatu-Wanganui
(6% of total corn production)

Auckland
(6% of total corn production)