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Corn farmers in Mexico adapt to climate change using traditional practices
Alasdair Baverstock
03:04

Mexico's president announced on Monday he will sign an agreement this week with makers of tortillas that ensures they only use non-genetically-modified white corn while also setting new tariffs on corn imports. 

For some farmers, ancestral techniques from the cradle of corn may be part of the solution to increase yields. 

CGTN’s Alasdair Baverstock reports.

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