From the poorest regions

After a long day of work, laborers crowd in the bed of an open truck.   (Don Bartletti / Los Angeles Times)

MARCH 28, 2014. VILLA JUAREZ, SINALOA, MEXICO. At Campo San Jose, Lucio Marquez Garcia, right, dines with his family on food that they picked. Son Luis, 17, says, “It’s hard to sleep because of all the TVs and drunks making noise. You wake up so tired you don’t feel like working.” (Don Bartletti / Los Angeles Times)  (Don Bartletti / Los Angeles Times)

Pedro Vasquez, working the chile pepper fields near Leon, Guanajuato, is one of the estimated 100,000 Mexican children younger than 14 who pick crops for pay, according to the government’s most recent estimate. He is 9 years old. (Don Bartletti / Los Angeles Times)  (Don Bartletti / Los Angeles Times)

A worker loads just-picked Roma tomatoes at Agricola El Porvenir. (Don Bartletti / Los Angeles Times)  (Don Bartletti / Los Angeles Times)

DECEMBER 12, 2013. TEACAPAN, SINALOA, MEXICO. A family of indigenous migrant farmworkers from Guerrero waits by a tomato field in Teacapan, Sinaloa. Each earning as little as $8 a day, they have little money to buy sturdy shoes. (Don Bartletti / Los Angeles Times)  (Don Bartletti / Los Angeles Times)

DECEMBER 5, 2013. ISLA DEL BOSQUE, SINALOA, MEXICO. Jenobeba Diaz Matia bathes her 9-month-old son in a basin where fellow residents wash dishes and clothes at their government-run camp in Isla del Bosque, Sinaloa. (Don Bartletti / Los Angeles Times)  (Don Bartletti / Los Angeles Times)

MARCH 28, 2014. VILLA JUAREZ, SINALOA, MEXICO. 7-mo-old Maria Marquez sleeps a hanging basket in her parent’s 12’x12’ room at Campo San Jose. The migrant family from Veracruz has been coming and going from here to pick tomatoes and cucumbers for the Porvenir company for the past 14 years. (Don Bartletti / Los Angeles Times)  (Don Bartletti / Los Angeles Times)