(Of land) not prepared and cultivated for crops:the method involves planting grass on untilled soil...
They will point out that even in the settlement people are starting to make their own gardens, while others are joining them in the untilled lands.
They found tire pressure to be more uniform on tilled soils than on untilled clay soils.
Nor did a continued decline in the price of horses and grain seem likely at a time when the supply of untilled arable land in the United States was running out.