25 Jul, 2017 FAS USDA lowers its forecast for wheat production in Australia in 2017-2018 by 1.5 million tonnes down to 22 million tonnes. So the crop declines by 37% compared to 2016 – 2017. Earlier this month Australia's National Bank lowered its forecast for the wheat crop in the country from 24.4 to 23.3 мmillion tonnes.