In one of the toughest growing regions in the US, commercial farmers like Frank Machac are experimenting with a style of ancient agriculture more known for soil health than profit.
They are perhaps unlikely budding agroecologists. “My number one concern is yield, I’m not worrying about climate change,” said Machac, 60, a ruddy-faced straight talker with 30 years’ farming experience in the Rio Grande Valley (RGV).
