"farm lands" is correct and usable in written English.
You can use it to refer to land used for agricultural purposes, either privately- or publicly-owned. For example: The farmer had been working his family's farm lands for decades.
Our farm lands have turned black.
The well-kept garden rolls out to expansive farm lands.
Merely travel north on the superway, and then east through the farm lands".
The value of farm lands is at a record high, and farm debt fell almost 2 percent last year.
Existing farm lands are already under pressure to produce more food to keep up with a growing population, he said.
These properties are built on occupied land that once belonged to Palestinians, whose homes are often demolished and farm lands destroyed to make way for Israeli settlers.
As the light hits these objects shadows are cast on to the gallery walls creating what looks like cities, nuclear power stations, forests and farm lands.
But many Afghans, whether in battle-scarred government buildings or heavily mined farm lands -- believe America ought to be paying a larger debt of gratitude.
"Today, most farm lands are flat and when rain falls, water doesn't stay; the surface soil can only absorb a little amount of water," he says.
The money flowed in from many sources — as conquest, as tribute from subordinate princes (secular and religious) or from the crops on farm lands held by the pope, who was not accountable to anyone for use of these funds.
The consequence is that I found, in visiting the best farm lands in South Lancashire and Cheshire during the past few days, that the preparation of the land is well forward.
