A woman in a market selling vegetables produced on a private farm. In the run up to independence the Soviet collective farming system collapsed which, when combined with runaway inflation, caused seve...

Urea granules, a nitrogenous compound fertiliser, lie on a dry floor beside tractor tracks where wheat will be planted. Around October, when the land is dry, many local farmers apply fertilisers, irri...

Urea granules, a nitrogenous compound fertiliser, lie on a dry floor beside tractor tracks where wheat will be planted. Around October, when the land is dry, many local farmers apply fertilisers, irri...

Wheat fields bordering a highway in the Yaqui Valley. The Yaqui Valley is a wheat-producing region in northwestern Mexico constituted by family farmers that supplies the national market and bigger pro...

Locals from around the valley take a dip in an artificial pond filled with irrigation water supplied by dams and wells. 267 miles of agricultural drains eventually discharge into the sea of Cortez, pr...

A queue of trucks waiting to deliver wheat for export to Ferropuerto de Sonora, a company dedicated to services for cargo transportation. The Yaqui Valley is a wheat-producing region in northwestern M...

Workers from Ferropuerto de Sonora, a company dedicated to services for cargo transportation, test wheat grain for export while it is in a queue outside the company's premises. The Yaqui Valley is a w...

A driver walks between a queue of trucks waiting to deliver wheat for export to Ferropuerto de Sonora, a company dedicated to services for cargo transportation. The Yaqui Valley is a wheat-producing r...

A worker drives a combine harvester while cutting wheat at a planation belonging to Jose María Osorio Alatorre, chairman of the Production Societies of Southern Sonora (USPRUSS). The local farmer fam...

Guadalupe Torres Mungaray (50), the granddaughter of former wheat producers and an Accounting Assistant at the Union of Rural Production Societies of Southern Sonora (USPRUSS), flips trough a binder a...

Irrigation water floods fertilised furrows in a field where wheat will be planted. Nitrogenous based fertilisers present their highest nitrous oxide emissions when used during the irrigation process.

Rafael Parra takes a rest from opening channels to allow water to flood fertilised furrows in a field where wheat will be planted. Nitrogenous based fertilisers present their highest nitrous oxide emi...

Rafael Parra uses a shovel to allow water to flood a fertilised furrow in a field where wheat will be planted. Nitrogenous based fertilisers present their highest nitrous oxide emissions when used dur...

Jorge Alberto Ruiz (30), Antonio Viles (40), Armando Gaxeola (21) and Carlos Antonio Gaxeola (22) eat wheat tortilla tacos and Coca Cola for lunch while they wait for more urea fertiliser to be distri...

Carlos Antonio Gaxeola (22) cooks chili and wheat tortilla tacos over am improvised grill during a lunch break while he waits for more urea fertiliser to be distributed. Carlos grew up next to the cro...