"grow grain" is correct and usable in written English.
It is often used to indicate that grain is being farmed and harvested. For example, "The family farm has been growing grain for generations."
There, they would grow grain on irrigated farms and ship it downstream by barge.
They are being encouraged to grow grain on land that is not well suited to it.
Farmers could grow grain, sugar cane, coffee, tea and tropical fruits for canning.
This was because they did not grow grain but hunted for their food.
"Droughts may mean these areas become unsuitable to grow grain so there'll be a shift to the land further north.
As any American could predict, the next move, of course, will be to pay Saudi farmers not to grow grain.
He plans to grow grains like spelt and farro alongside more traditional crops like onions and beets.
It says, "If you want one year of prosperity, grow grains; if you want 10 years of prosperity, grow trees; and if you want 100 years, grow people".
"The University of Maine Cooperative Extension has been studying organic bread wheat production in Maine and are supporting the farmers to grow grains".
Over thousands of years, we humans have learned to grow grains on the grasslands and domesticate the creatures that live there.
In the past the majority of farmers grew grain.
