Into the fields: migrant labor, everyday pesticide entanglements, and Midwest plantation regimes

The American Midwest is often pictured as a vast, flat expanse of green and gold, a place where modern technology and scientific knowledge have turned the soil into a machine for producing endless food. This image suggests a landscape of pure abundance, where corn and soybeans grow in perfect, orderly rows, sustained by tractors and hybrid seeds. However, this view often hides the human and chemical realities that make such production possible. To understand the full story of this region, one must look beyond the crops to the people who work them and the chemicals that sustain them. This perspective relies on a few key ideas: the concept of a "plantation regime," which describes an agricultural system organized around extracting value from land and labor, often creating deep inequalities; the idea of "agricultural exceptionalism," a set of laws that historically excluded farmworkers from many protections granted to other workers; and the notion of "chemical geographies," which recognizes that pesticides are not just substances applied to fields but forces that shape the environment, the economy, and the bodies of the people living there. Understanding these connections matters because it reveals that the prosperity of the American food supply is built on a foundation of hidden risks and social costs that are often ignored.

A new study by Luis Gomez-Ordonez, an anthropologist at the University of Illinois Chicago, investigates these hidden layers by stepping directly into the fields of Illinois. Rather than treating pesticide exposure simply as a workplace safety issue, the research explores how chemical exposure is woven into the daily lives of migrant farmworkers, their migration stories, and the broader economic system of the Midwest. The author spent the summers and falls of 2024 and 2025 traveling across rural Illinois, visiting farms, orchards, labor camps, and motels that serve as housing for workers. By talking with hundreds of migrant workers, mostly from Mexico and Central America, and by observing their surroundings, the study builds a picture of how the celebrated productivity of the region depends on a system that concentrates land, relies heavily on chemicals, and employs a vulnerable, mobile workforce.

The research challenges the common belief that the Midwest is a modern, technological utopia. Instead, the author argues that the region functions as a contemporary plantation regime. While the crops here are corn and soy rather than the sugarcane or bananas of tropical plantations, the underlying logic is similar: large amounts of land are controlled by a few owners, production depends on massive inputs of agrochemicals, and the work is done by a labor force that is kept in a state of precarity. The study finds that the workers who plant, tend, and harvest these crops are often invisible in the public imagination. They live in isolated housing, travel on buses that move them between fields and camps without drawing attention, and work under contracts that make it difficult to complain about unsafe conditions without risking their jobs.

One of the most striking findings is how deeply pesticides are embedded in the everyday existence of these workers. The chemicals do not stay in the fields; they travel home with the workers. The study describes how the smell of agrochemicals clings to work boots and clothes, entering the living spaces of motels and labor camps. Workers develop their own ways of managing this constant presence. Some refer to the substances simply as "chemicals," treating them as an unavoidable part of the job, while others call them "poisons," acknowledging the danger while continuing to work. They learn to recognize when fields have been sprayed, how the wind affects exposure, and how to wash and change clothes to minimize contact. These are not just safety protocols; they are survival strategies in a landscape where exposure is a routine part of earning a living.

The study also reveals that the decision to migrate to work in these fields is often driven by more than just the promise of higher wages. Many workers described leaving their home communities because of environmental instability, such as droughts, floods, and failed harvests caused by climate change. For them, migration is a response to the breakdown of their own local agriculture. This creates a complex link between the Midwest and places like rural Mexico and Central America: the same environmental pressures that push workers away from their homes are the forces that sustain the industrial agriculture of the American heartland. The workers arrive in Illinois carrying histories of debt, environmental uncertainty, and the struggle to survive, only to enter a system where they face similar risks in a different form.

The research highlights how the legal and economic structures of agriculture reinforce these dangers. A concept known as "agricultural exceptionalism" means that farmworkers often lack the overtime pay, collective bargaining rights, and child labor protections that other workers enjoy. This legal framework, combined with a system of labor contractors who recruit workers from abroad, creates a workforce that is essential to production but easily replaceable and difficult to protect. Workers on temporary visas, for instance, may fear that speaking up about unsafe conditions or unfair pay will result in them not being invited back the following year. This fear keeps many risks unspoken and unaddressed.

Visual documentation played a key role in the study, capturing the infrastructure that supports this system. The author photographed grain elevators, endless rows of corn, and the yellow school buses that transport workers to and from the fields. These images show a landscape organized for efficiency and commodity production, where the machinery and the crops are visible, but the people who make it all happen are often hidden. The buses, in particular, serve as a quiet symbol of this invisibility, moving workers through the countryside in a way that keeps them out of public view until they arrive at the fields, where they disappear again into the tall crops.

Ultimately, the study suggests that the productivity of the Midwest is not a natural or neutral outcome of technological progress. It is the result of specific social and political choices that concentrate land ownership, rely on intensive chemical use, and depend on a mobile, vulnerable workforce. The "green revolution" that transformed this landscape is not just a story of seeds and machines; it is also a story of labor, debt, and environmental inequality. By listening to the voices of the workers and observing the spaces they inhabit, the research reveals that the Midwest is not just an agricultural heartland but a frontier where the costs of food production are quietly shifted onto those with the least power to resist. The fields of Illinois, with their towering corn and endless soy, are part of a larger system where chemicals, capital, and human labor are deeply entangled, creating a reality that is far more complex and fraught than the flat, prosperous image often presented to the world.