The First Green Revolution: Debt Peonage and the Making of the Nitrogen Fertilizer Trade, 1840–1930

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TO MANY HISTORIANS, SCIENTISTS, AND agricultural experts, the term “Green Revolution” refers to the controversial array of programs and policies that introduced high-yield seeds, intensive irrigation techniques, herbicides, pesticides, mechanization, and petrochemical fertilizers to parts of the developing world during the 1960s and 1970s. Among the most profound consequences of this recent agricultural transformation was a vast increase in the amount of nitrogen available to farmers in Asia and Latin America. Through the application of imported synthetic fertilizers, these cultivators achieved increased yields of staple crops such as corn, rice, and wheat. Numerous scholars have portrayed this twentieth-century intervention in world food production as the first human alteration of the global nitrogen cycle during the modern era.1 Such a depiction is misleading. It obscures an earlier Green Revolution, beginning in the nineteenth century, during which companies and labor contractors transported millions of metric tons of nitrogen fertilizer and more than 100,000 workers across the globe, producing significant shifts in environments and labor conditions throughout the world. A comprehensive understanding of this First Green Revolution fuses two emerging research areas—global environmental history and transnational labor history. An investigation of the relationship between new forms of servitude that emerged in the Age of Abolition and the concurrent development of a worldwide fertilizer trade reveals that the changing nature of work is inextricably intertwined with the work of changing nature.