Since the 80s, yields boomed in key Brazilian crops. Brazil became a major exporter.
Largely due to a few hundred smart people at a research institute, Embrapa, set up in the 70s.
What upper tail human capital can do for your nation.
Another great paper here showing that Embrapa was an industrial policy success allowing Brazil to dramatically improve productivity of crops in its local terrain.
To this day, Embrapa employs 2300 agricultural scientists, comparable to USDA