The latest Stats NZ report on the decreasing amount of productive land  paints sad picture for the future of growing our own food. Our Land 2021 shows productive land needed for food production is disappearing fast under the growing need for housing. Between 2002 and 2019, 54 percent of productive land disappeared and Lincoln University Associate Professor Amanda Black says more than 200 growers in Auckland alone sold up in the past 10 years, as their land was rezoned residential.