The phrase "a flat field of" is correct and usable in written English.
It can be used to describe a level area of land, often in a geographical or agricultural context.
Example: "As we drove through the countryside, we were surrounded by a flat field of golden wheat swaying in the breeze."
Alternatives: "a level expanse of" or "a smooth area of".
This shows the sun coming up over a flat field of wheat.
Then she made dispassionate paintings, placing each dog in a flat field of yellowish green or grayish tan or blue.
His daring, sensuous colors are magically mismatched: undulating, podlike stripes of blue and green inlaid with lavender dots, a yellow-striped border of orange abutting a beige one that encloses a flat field of lavender pink.
With darkness approaching, as crews of Mr. Kearsley-pratt's workers in hard hats and orange jumpsuits rushed to lay enormous sheets of blue tarpaulins over a flat field of freshly laid garbage to discourage the pickers from coming onto the grounds at night, a female scavenger in her 50's approached a group of foreigners taking pictures of the scene.
We got out in a flat field of dried mud, surrounded by mud-brick houses.
In Fn1 and Itga5 null embryos: the foregut did not fold into a tube and remained as a flat field of Foxa2+ cells.
The detector module consists of two components: a flat field-of-view (FOV) collimator with a 30° FOV opening and a typical single-channel radiation detector made of a 2 in.×2 in.
At the time of the building's construction in 1828, the expanse of the city from 15th Street NW (one block east of the home) to 17th Street NW from the White House north to H Street NW was a flat field bare of trees and shrubs.
"My view on the development of the science system in Germany is not to have a flat field but a picture of the Alps," says Matthias Kleiner, president of the DFG, Germany's primary science funding agency.
But the real shortcoming of the advance publicity is that it presents the building as a one-liner - a wacky object sitting in the middle of a flat field.
It seemed impossible in the middle of a flat field, but with a sharp tug on the bar, Tom suddenly flew six, eight feet off the ground, dropping Iron Crosses and 360s.
