Planting Seeds - Food & Farming News from CDFA

Can California organic farmers unlock the secrets of no-till farming? From Civil Eats

By Gosia Wozniacka

Excerpted

Last summer, veteran organic farmer Scott Park was bewildered when he surveyed his vast tomato, corn, and sunflower fields. Before planting the crops on 350 acres he had radically cut down on tilling the soil, planted cover crops twice, and let goats graze the land. And he was sure he’d see excellent yields.

The undisturbed soil was loaded with earthworms, but the crops grew sluggishly and didn’t produce enough fruit. Park lost almost half of his yields—and over half a million dollars.

“We thought we were going to cut a fat hog,” said Park, whose farm lies 50 miles northwest of Sacramento in California’s Central Valley. “But the combination of no-till and grazing kicked me in the teeth.”

Though surprising, the result was part of a critical experiment that Park plans to replicate again—this time, on a smaller plot on his 1,700-acre farm: Because there’s more at stake than his own profit.

Park, who has been farming for 48 years and is well-known for his soil health practices, is one of a small group of innovative organic vegetable producers working with the University of California Cooperative Extension, Cal State Chico’s Center for Regenerative Agriculture and California State University, Fresno to decipher how to farm with little or no tillage—and without chemicals. Similar research is also taking place at U.C. Santa Cruz.

Two growing seasons into the California experiment, Park and other farmers have faced an array of challenges. Some have been economically painful, while others have led to promising results. And yet, if the farmers can get past the hurdles presenting themselves in these early years, their efforts could catalyze a massive shift to reduced tillage—and a new understanding of soil health—in the organic industry in California and nationwide. And because no-till is held up as a central tenent of regenerative agriculture, it could also be seen as a boon for farmers hoping to take part in the carbon markets the Biden administration has put forward in response to climate change.

“When soil transitions to a no-till system, yield reduction is usually a temporary thing,” said Cynthia Daley, a professor at Chico State who is involved in the project. “These farmers see the benefit of going into no-till, but they are trying to find a way to get there that doesn’t result in a negative economic impact in the long run. Their dedication is incredible.”

Read more on the Civil Eats web site

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