Sustainable silicon farming to defeat California drought

CGTV-America

Photo courtesy of Mark Niu for CGTV-America

By Mark Niu

The drought on America’s west coast is taking its toll on the dairy industry as around 100 dairy farms now go out of business each year waiting for rain. To survive, some farmers are finding technology to be one of their greatest assets.

Straus became the first organic dairy farm west of the Mississippi River back in 1994. Under second generation farmer Albert Straus, the creamery has evolved into “silicon farming”.

Albert Straus used a computer system to track each organic grain. His calves had radio frequency ID tags implanted in their ears that helped monitor how much they drank so that Straus could know how much feed cost was per cow and how much income they brought in.

This farm also had just one of two methane digesters in existence on the entire Northern California coast. It pushed 20,000 gallons of manure and milk waste through the system every day.

With 80 percent of the dairies in nearby counties now all certified organic, Straus believed “sustainability” business models were proving more profitable and better for the environment.

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A person wearing a hat, gloves, and work clothes stands at an outdoor research station at Correia Family Dairy, pouring a reddish liquid into a large funnel-shaped container connected to hoses and pipes. Several plastic sample bottles sit on the ground nearby, and shade cloths overhead provide cover. The setup includes pumps, tubing, and monitoring devices, suggesting a water, soil, or nutrient treatment experiment.

These very hungry microbes devour a powerful pollutant

PETALUMA, Calif. — The cows had to be deterred from messing with the
experiment.

Researchers from a Bay Area technology company had come to the sprawling
dairy farm north of San Francisco to test an emerging solution to planetwarming emissions: microscopic pink organisms that eat methane, a potent
greenhouse gas.

Kenny Correia, 35, of Correia Family Dairy, watched the team from Windfall Bio
working near the lagoons used to store manure from the farm’s several hundred
cows. The researchers erected a futuristic system of vats, pipes, tubes and shiny
metal supports. Then, when everything was assembled, they poured pink liquid
into one of the vats. “They were looking like mad scientists out there,” Correia
recounted.

He acknowledged initially thinking it was a “crazy idea” to integrate an outdoor
laboratory into a working farm. There was the potential for the cows to “be all
over it — licking it, pulling out wires and scratching on it,” he said.
But livestock farms are a significant source of methane emissions, and Windfall
wanted to see how much the microbes could help.

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