FORT WORTH — Gabe Brown is in such demand as a speaker that for every invitation he accepts, he turns down 10 more. At conferences, like the one held here at a Best Western hotel recently, people line up to seek his advice.
“The greatest roadblock to solving a problem is the human mind,” he tells audiences.
Mr. Brown, a balding North Dakota farmer who favors baseball caps and red-striped polo shirts, is not talking about disruptive technology start-ups, political causes, or the latest self-help fad.
He is talking about farming, specifically soil-conservation farming, a movement that promotes leaving fields untilled, “green manures” and other soil-enhancing methods with an almost evangelistic fervor.
Such farming methods, which mimic the biology of virgin land, can revive degenerated earth, minimize erosion, encourage plant growth and increase farmers’ profits, their proponents say. And by using them, Mr. Brown told more than 250 farmers and ranchers who gathered at the hotel for the first Southern Soil Health Conference, he has produced crops that thrive on his 5,000-acre farm outside of Bismarck, N.D., even during droughts or flooding.
He no longer needs to use nitrogen fertilizer or fungicide, he said, and he produces yields that are above the county average with less labor and lower costs. “Nature can heal if we give her the chance,” Mr. Brown said.
Neatly tilled fields have long been a hallmark of American agriculture and its farmers, by and large traditionalists who often distrust practices that diverge from time-honored methods.
But soil-conservation farming is gaining converts as growers increasingly face extreme weather, high production costs, a shortage of labor and the threat of government regulation of agricultural pollution.
Farmers like Mr. Brown travel the country telling their stories, and organizations like No-Till on the Plains — a Kansas-based nonprofit devoted to educating growers about “agricultural production systems that model nature” — attract thousands.
“It’s a massive paradigm shift,” said Ray Archuleta, an agronomist at the Natural Resources Conservation Service, part of the federal Agriculture Department, which endorses the soil-conservation approach.
Government surveys suggest that the use of no-tillage farming has grown sharply over the last decade, accounting for about 35 percent of cropland in the United States.
For some crops, no-tillage acreage has nearly doubled in the last 15 years. For soybeans, for example, it rose to 30 million acres in 2012 from 16.5 million acres in 1996. The planting of cover crops — legumes and other species that are rotated with cash crops to blanket the soil year-round and act as green manure — has also risen in acreage about 30 percent a year, according to surveys, though the total remains small.
This story was originally published on The New York Times.