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...

Jorge Alberto Ruiz (30) observes how urea granules fall from a local agro-industrial economic consortium's truck into a fertiliser spreader in a dry field where wheat will be planted. Around October,...

Jorge Alberto Ruiz (30) observes how urea granules fall from a local agro-industrial economic consortium's truck into a fertiliser spreader in a dry field where wheat will be planted. Around October,...

Jorge Alberto Ruiz (30) observes how urea granules fall from a local agro-industrial economic consortium's truck into a fertiliser spreader in a dry field where wheat will be planted. Around October,...

Jorge Alberto Ruiz (30) observes how urea granules fall from a local agro-industrial economic consortium's truck into a fertiliser spreader in a dry field where wheat will be planted. Around October,...

Urea granules fall from a local agro-industrial economic consortium's truck into a fertiliser spreader in a dry field where wheat will be planted. Around October, when the land is dry, many local farm...

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...

A Ferropuerto de Sonora worker, a company dedicated to services for cargo transportation, stands on a truck as he tests wheat grain for export. The Yaqui Valley is a wheat-producing region in northwes...

A dead cow lies on dry ground inside the Mocuzari dam. According to recent federal data, nearly 85% of Mexico has been suffering from a historical drought that has lasted for over two decades, leaving...

A view of dry ground inside the Mocuzari dam. According to recent federal data, nearly 85% of Mexico has been suffering from a historical drought that has lasted for over two decades, leaving large re...

Gerardo Guerrero (47), controls an old combine harvester as he harvests a field of wheat belonging to Jose Maria Osorio Alatorre, chairman of the Production Societies of Southern Sonora (USPRUSS). Aro...

A crack in the earth separates wheat furrows in a wheat field belonging to Jose Maria Osorio Alatorre, chairman of the Production Societies of Southern Sonora (USPRUSS). Around October, when the land...

Carlos Rodriguez Pacheco (60), Assurance Fund Manager of the Union of Rural Production Societies of Southern Sonora (USPRUSS), explains at the society's HQ how the GreenSeeker sensor works. It is a me...

A farm vehicle is driven past empty tankers, used to spray nitrogen fertilisers on wheat fields, at the headquarters of the Union of Rural Production Societies of Southern Sonora (USPRUSS). Around Oct...

A statue of Norman Borlaug, the American agronomist credited with launching the 'Green Revolution', stands beside a small wheat plantation at the entrance of the International Maize and Wheat Improvem...

A statue of Norman Borlaug, the American agronomist credited with launching the 'Green Revolution', stands beside a small wheat plantation at the entrance of the International Maize and Wheat Improvem...

Members of the Union of Rural Production Societies of Southern Sonora (USPRUSS), gather in a crop field to measure the results of a new wheat seed. The local farmer family's production capacity is not...

Jorge Alberto Ruiz (30) drives a tractor and spreads urea, a nitrogenous compound fertiliser, across a dry field where wheat will be planted. Around October, when the land is dry, many local farmers a...

The discs of a fertiliser spreader spin before scattering urea, a nitrogenous compound fertiliser, across a dry field where wheat will be planted. Around October, when the land is dry, many local farm...

Jorge Alberto Ruiz (30) drives a tractor and spreads urea, a nitrogenous compound fertiliser, across a dry field where wheat will be planted. Around October, when the land is dry, many local farmers a...

Jorge Alberto Ruiz (30) drives a tractor and spreads urea, a nitrogenous compound fertiliser, across a dry field where wheat will be planted. Around October, when the land is dry, many local farmers a...

A village is surrounded but wheat fields 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 bi...

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...

Birds fly over the principal irrigation canal providing water to the crop fields around the Yaqui valley. Around October, when the land is dry, many local farmers apply fertilisers, irrigate with wate...

A broken wooden cross stands on a hill overseeing Jecopaco, the town where Jose Maria Osorio Alatorre (50), chairman of the Production Societies of Southern Sonora (USPRUSS), was born and lives in. Th...

Jose Maria Osorio Alatorre, chairman of the Production Societies of Southern Sonora (USPRUSS), sits in the shade of his vehicle while he overseas the harvesting of his wheat fields. The local farmer f...

Jose Maria Osorio Alatorre, chairman of the Production Societies of Southern Sonora (USPRUSS), stands beside his vehicle while he overseas the harvesting of his wheat fields. The local farmer family's...

A trailer enters the Productos Agricolas AOASS's installations, a multinational company that exports 48% of the wheat from Sonora. The Yaqui Valley is a wheat-producing region in northwestern Mexico c...

After returning to the dock in Paredon Colorado, Jose Antonio Salido (38, right) and his father, Jose Maria Salido (64, left), collect fish they've caught in Tobari Bay from their nets. According to S...

Ears of wheat growing in a field belonging to Luis Arturo Amaya (48). As a way to reduce emissions and minimise pollution, Aldama limits his use of fertiliser with the help of a sensor that analyses t...

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...

Jose Maria Osorio Alatorre, chairman of the Production Societies of Southern Sonora (USPRUSS), sits in the back of his vehicle while he overseas the harvesting of his wheat fields. The local farmer fa...

Rufino Barreras Anaya (45), climbs down from a truck after spreading wheat grain at a planation belonging to Jose María Osorio Alatorre, chairman of the Production Societies of Southern Sonora (USPRU...

Rufino Barreras Anaya (45), stands on a truck while he spreads wheat grain at a planation belonging to Jose María Osorio Alatorre, chairman of the Production Societies of Southern Sonora (USPRUSS). T...

Rufino Barreras Anaya (45), stands on a truck spreading wheat grain as it falls from a combine harvester at a planation belonging to Jose María Osorio Alatorre, chairman of the Production Societies o...

An image of Jesus Christ holding a piece of bread during the Last Supper hangs in the living room of the home of Carlos Antonio Gaxeola (22) and his family. Carlos grew up next to the crop fields in h...

Housing facilities where Carlos Antonio Gaxeola (22) and his family lives inbetween farmlands. Carlos grew up next to the crop fields in housing complexes provided by the land owner, for whom his fami...

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.

An aerial view of workers picking tomatoes in a field in Los Banos. Even though they start very early in the morning (5 am), around 9 am it starts getting really hot. Most workers wear long sleeves fo...

An aerial view of workers picking tomatoes in a field in Los Banos. Even though they start very early in the morning (5 am), around 9 am it starts getting really hot. Most workers wear long sleeves fo...

An aerial view of workers picking tomatoes in a field in Los Banos. Even though they start very early in the morning (5 am), around 9 am it starts getting really hot. Most workers wear long sleeves fo...

An aerial view of workers picking tomatoes in a field in Los Banos. Even though they start very early in the morning (5 am), around 9 am it starts getting really hot. Most workers wear long sleeves fo...

An aerial view of workers picking tomatoes in a field in Los Banos. Even though they start very early in the morning (5 am), around 9 am it starts getting really hot. Most workers wear long sleeves fo...

Workers pick tomatoes in a field in Los Banos. Even though they start very early in the morning (5 am), around 9 am it starts getting really hot. Most workers wear long sleeves for protection from the...

Doroteo Jimenez drives a vehicle along the rows of grape vines near to where his niece, Maria Isabel, died of heat stroke while working in the fields in 2008. He has put up a cross in the place where...

Workers pick tomatoes in a field in Los Banos. Even though they start very early in the morning (5 am), around 9 am it starts getting really hot. Most workers wear long sleeves for protection from the...

Workers pick tomatoes in a field in Los Banos. Even though they start very early in the morning (5 am), around 9 am it starts getting really hot. Most workers wear long sleeves for protection from the...

Workers pick tomatoes in a field in Los Banos. Even though they start very early in the morning (5 am), around 9 am it starts getting really hot. Most workers wear long sleeves for protection from the...

Workers pick tomatoes in a field in Los Banos. Even though they start very early in the morning (5 am), around 9 am it starts getting really hot. Most workers wear long sleeves for protection from the...

Workers pick tomatoes in a field in Los Banos. Even though they start very early in the morning (5 am), around 9 am it starts getting really hot. Most workers wear long sleeves for protection from the...

Workers pick tomatoes in a field in Los Banos. Even though they start very early in the morning (5 am), around 9 am it starts getting really hot. Most workers wear long sleeves for protection from the...

Workers pick tomatoes by torch light early in the morning in a field in Los Banos. Even though they start very early in the morning (5 am), around 9 am it starts getting really hot. Most workers wear...

Workers pick tomatoes in a field in Los Banos. Even though they start very early in the morning (5 am), around 9 am it starts getting really hot. Most workers wear long sleeves for protection from the...

Workers pick tomatoes by torch light early in the morning in a field in Los Banos. Even though they start very early in the morning (5 am), around 9 am it starts getting really hot. Most workers wear...

Workers pick tomatoes by torch light early in the morning in a field in Los Banos. Even though they start very early in the morning (5 am), around 9 am it starts getting really hot. Most workers wear...

Workers pick tomatoes in a field in Los Banos. Even though they start very early in the morning (5 am), around 9 am it starts getting really hot. Most workers wear long sleeves for protection from the...

Workers pick tomatoes in a field in Los Banos. Even though they start very early in the morning (5 am), around 9 am it starts getting really hot. Most workers wear long sleeves for protection from the...

Workers pick tomatoes in a field in Los Banos. Even though they start very early in the morning (5 am), around 9 am it starts getting really hot. Most workers wear long sleeves for protection from the...

Workers pick tomatoes in a field in Los Banos. Even though they start very early in the morning (5 am), around 9 am it starts getting really hot. Most workers wear long sleeves for protection from the...

Workers pick tomatoes in a field in Los Banos. Even though they start very early in the morning (5 am), around 9 am it starts getting really hot. Most workers wear long sleeves for protection from the...

Workers pick tomatoes in a field in Los Banos. Even though they start very early in the morning (5 am), around 9 am it starts getting really hot. Most workers wear long sleeves for protection from the...

Workers pick tomatoes in a field in Los Banos. Even though they start very early in the morning (5 am), around 9 am it starts getting really hot. Most workers wear long sleeves for protection from the...

Workers pick tomatoes in a field in Los Banos. Even though they start very early in the morning (5 am), around 9 am it starts getting really hot. Most workers wear long sleeves for protection from the...

Juan Herrera (53) picks grapes in a vineyard near Fresno. He migrated to the US when he was 14 and had multiple jobs before landing in Fresno and working in the fields, which he has done for the past...

Juan Diaz, a supervisor, scrapes dirt from his arm using the knife he uses to harvest grapes in a vineyard. According the law, when the temperature reaches 80°F (26.6°c) there should be shade whe...

Juan Diaz, a supervisor, harvesting grapes in a vineyard. According the law, when the temperature reaches 80°F (26.6°c) there should be shade where farm workers can take breaks. They should be al...

Juan Diaz (supervisor) and Reyna Herrera (29), pick grapes in a vineyard near Fresno. Reyna was born in Fresno and grew up in Michoacan. She has three children who she leaves with her mum in Mexico wh...

Juan Diaz, a supervisor, takes a drinks break while harvesting grapes in a vineyard. According the law, when the temperature reaches 80°F (26.6°c) there should be shade where farm workers can tak...

Juan Diaz (supervisor) and Reyna Herrera (29), pick grapes in a vineyard near Fresno. Reyna was born in Fresno and grew up in Michoacan. She has three children who she leaves with her mum in Mexico wh...

Juan Diaz (supervisor) and Reyna Herrera (29), pick grapes in a vineyard near Fresno. Reyna was born in Fresno and grew up in Michoacan. She has three children who she leaves with her mum in Mexico wh...

Doroteo Jimenez holds a photograph of his niece, Maria Isabel, who died of heat stroke while working in nearby vineyards in 2008. He has put up a cross in the place where she died, and on this day he...

Doroteo Jimenez holds a photograph of his niece, Maria Isabel, who died of heat stroke while working in the vineyards in 2008. He has put up a cross in the place where she died, and on this day he pic...

Marina Acosta (43) takes a break from harvesting grapes due to the heat. The grapes will be used to make raisins. The harvest is called 'la tabla', referring to the piece of paper where they place the...

Doroteo Jimenez whose niece, Maria Isabel, who died of heat stroke while working in the vineyards in 2008. He has put up a cross in the place where she died, and on this day he picked fresh flowers to...

Doroteo Jimenez picks wild flowers for amemorial to his niece, Maria Isabel, who died of heat stroke while working in the vineyards in 2008. He has put up a cross in the place where she died, and on t...

Doroteo Jimenez with a photograph of his niece, Maria Isabel, who died of heat stroke while working in the vineyards in 2008. He has put up a cross in the place where she died, and on this day he pick...

Blas Orozco (47) gloves and knife for harvesting grapes. The crop will be used to make raisins, the harvest is called 'la tabla', referring to the piece of paper where they place them. They get paid d...