The phrase "a rich field" is correct and usable in written English.
It can be used to describe an area of study, research, or activity that is abundant in opportunities or resources.
Example: "The study of renewable energy presents a rich field for researchers looking to innovate and find sustainable solutions."
Alternatives: "a fertile area" or "a bountiful domain".
The ancient world offers the student of strategy a rich field for inquiry.
Even in a rich field of brilliant historians, the name of Tony Judt stands out".
But it is an excellent introduction to a rich field of flowers and thistles.
Tom Bradby from ITV? There's a rich field of opportunity here.
For behavioral economists, psychologists and marketers, defaults are part of a rich field of study that explores "decision architecture" — how a choice is presented or framed.
Plus, a rich field of natural gas in the Shah Deniz field off the Azerbaijan coast could provide the incentive for a parallel gas line along the route.
Courtesy of smartphones, Cupertinos today are a richer field than ever – a personal favourite being my last phone's determination to transform "Facebook" into "ravenous".
While gaming is definitely a tough game in the world of startups, enterprise may prove to be a richer field.
I love Professor Beard very deeply, as I love anyone and everyone – the doctors and scientists who take us through the programmes devoted to medical advances being a particularly rich field – who is so clearly, so comfortably and so thoroughly in command of their subject or specialism that they have nothing left to prove.
While the mitochondrial genome has been well characterized, the associations of the broad spectrum of mitochondrial genotypes remains a relatively rich field of study.
Computational analysis of biological sequences has became an extremely rich field of modern science and a highly interdisciplinary area, where statistical and algorithmic methods play a key role [ 1, 2].
