Shredding Crop Stubble Undercuts Soil Protection Benefits Long-Term

Agronomy experts explain why standing crop residue protects soil and reduces costs for crop growers, while shredding often yields little benefit at higher costs.

crop rotation 21347026_G.jpeg

Crop rotation: the portion of the field on left is growing a young winter cereal (grain) crop, while the portion on the right is a harvested potato field.

Matauw - stock.adobe.com

NASHVILLE, TENN. (RFD NEWS) — Leaving crop residue standing after harvest or a failed crop can deliver meaningful soil and economic benefits, while shredding or plowing stubble often works against both goals. That’s the message from Dr. Calvin Trostle, Texas A&M AgriLife Extension agronomist, who says many producers still underestimate the value of existing residue.

Trostle notes that standing stubble serves as a free “dead cover crop,” protecting soil from wind erosion, improving water capture, and reducing surface crusting without requiring additional moisture or inputs. Shredding residue, by contrast, loosens leaves that are more likely to blow away and typically costs about $10 per acre with no measurable return.

Research and field experience indicate that incorporating residue through tillage has little effect on long-term soil organic matter. Instead, leaving root systems intact under minimal tillage yields the greatest gains in soil health. Even low-biomass crops such as cotton and sunflower can provide erosion protection when left standing.

Trostle encourages producers to focus on planting into residue using adjusted equipment rather than removing valuable ground cover.

Farm-Level Takeaway: Standing crop residue protects soil and saves money — shredding often yields little benefit at a higher cost.
Tony St. James, RFD NEWS Markets Specialist
Related Stories
Concerns over Chronic Wasting Disease are fueling a long-standing legal battle between Minnesota regulators and deer farmers. The case could soon reach the state’s Supreme Court with broader implications for agriculture.
The National Cattlemen’s Beef Association (NCBA) and Public Lands Council (PLC) are praising the passage of a bill to delist gray wolves as an endangered species by the U.S. House last week.
Recent USDA export sales data show China has been active in the U.S. market, but analysts tell RFD-TV News that the timing is a key clue.
USDA Undersecretary Luke Lindberg told RFD-TV News that we can only guess what Congress will do down the road. Still, the USDA recognizes its responsibility to spend resources efficiently and effectively.
In Minnesota, a legal and legislative battle has reached a tipping point. For over a decade, the state’s Department of Natural Resources (DNR) and the private deer-farming industry have been locked in a dispute over the management of Chronic Wasting Disease (CWD).
Tight feeder supplies and lower placements indicate continued support for the cattle market, with regional impacts heightened in Texas by reduced feeder imports.

Tony St. James joined the RFD-TV talent team in August 2024, bringing a wealth of experience and a fresh perspective to RFD-TV and Rural Radio Channel 147 Sirius XM. In addition to his role as Market Specialist (collaborating with Scott “The Cow Guy” Shellady to provide radio and TV audiences with the latest updates on ag commodity markets), he hosts “Rural America Live” and serves as talent for trade shows.

LATEST STORIES BY THIS AUTHOR:

Taiwan’s pledge to expand imports strengthens export prospects for U.S. row crops, livestock products, and specialty commodities, while the USDA’s broader trade push seeks to diversify farm markets globally.
Farmers will need to closely monitor forecasts if the regulatory changes are implemented, as temperature cutoffs will replace fixed spray dates.
With China’s pullback, U.S. sorghum producers must broaden their export markets. Building connections now could help stabilize prices and demand for the upcoming larger crop.
Higher domestic rail tariffs and mixed capacity shifts will influence grain movement this harvest. Strong corn exports provide momentum, but logistics costs remain a critical factor.
Despite global improvement, food insecurity remains deeply concentrated in vulnerable regions.
The Final Grain Stocks Report may be the last key figures we see if a government shutdown halts future updates.
Agriculture Shows
Hosted by Scott “The Cow Guy” Shellady and RFD News Markets Specialist Tony St. James, Commodity Talk delivers expert insight into the day’s ag commodity markets just before the CME opens. Only on RFD-TV and Rural Radio SiriusXM Channel 147.
A look at the news, weather and commodities headlines that drove agriculture markets in the past week.
Everything profits from prairie. Soil, air, water — and all kinds of life! Learn how you can improve your land with prairie restoration, cover crops and prairie strips, while growing your bottom line.
Special 3-part series tells the story of the Claas family’s legacy, which changed agriculture forever.