Production sector
Grains and Cereals
Grains and cereals — corn, wheat, sorghum, rice, barley and oats — take up more cropland than any other group in Mexico, with corn the single largest crop, and in the Southern Cone they carry large-scale farming alongside soybean. They run on a scale logic: many hectares per person, heavy machinery, and margins per ton defended through efficiency. They are grown both under irrigation, on tightly scheduled cycles, and rainfed, where the rains decide the planting date. The business does not end at the field: aggregation, drying, storage and grain marketing are part of the same system.
1 open job in this sector
See jobsWhich roles it hires
The core role is the production agronomist or field advisor, who runs several fields at once, sets planting dates, seeding rates, fertilization and weed control, and drives long distances between plots. Around that role, three blocks hire steadily: machinery — operators, shop leads and technicians for planters, sprayers and combines; precision agriculture — yield maps, variable rate application, drone and satellite imagery; and postharvest, with elevator and drying supervisors who manage moisture, temperature, storage pests and mycotoxins. The commercial chain adds grain originators and buyers working with contracts, basis and price hedging, while seed and crop protection companies hire technical field representatives, the most common entry point for a recent graduate. It is a campaign-driven sector: during planting and harvest the work runs flat out, with long days and weekends, and then the pace drops.
Where it is concentrated
In Mexico, irrigated production in the northwest leads — Sinaloa for white corn and the Yaqui and Mayo valleys in Sonora for durum wheat — planted in the fall-winter cycle and harvested between spring and early summer; the Bajío region of Guanajuato and Jalisco mixes irrigated and rainfed ground, Tamaulipas concentrates sorghum and wheat, malting barley is grown in Hidalgo, Tlaxcala, Puebla and Guanajuato, and rice in Campeche, Veracruz, Nayarit and Morelos. Rainfed corn in central and western Mexico is harvested toward the end of the year, once the rainy season closes. In South America the weight sits in the Argentine pampas — Buenos Aires, Córdoba and Santa Fe — in central-western and southern Brazil with its safrinha second crop, and in Uruguay, Paraguay and Santa Cruz in Bolivia, on a calendar that runs opposite to Mexico's.
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