FASTER SOIL WARMUP. Strip-tilled soils warm up 3 to 5 days sooner than soil in conventional or complete no-till systems for Dean Fehl. This provides a significant head start on early planting and higher yields.

Strip-Tilling Boosts Yields With Colder, Heavier Soils

Yield monitor data indicates this Iowa father and son team may be able to slash nitrogen needs with corn by as much as 80 pounds per acre.

Check The Specs...

Name: Dean Fehl

Location: LaPorte City, Iowa

Acres No-Tilled: 3,800

Years IN No-Tilling: 16 (Strip-tilling since 1995; son Ben joined operation full-time in 2005)

No-Tilled Crops: Corn, soybeans

My first “no-tilling” experiences were in 1989 when I planted soybeans directly into old corn rows. I saw immediate labor and fuel savings and harvested yields that were consistent with conventional tilling.

But I was reluctant to try no-till corn because of the high risk that soils covered with heavy crop residue might take longer to warm up and dry out, causing delayed planting and poor stands. As a result, I was “rotating” tillage and wasn’t gaining the benefits from a true no-till system.

A few years later I noticed that the end rows where I planted directly over anhydrous ammonia knife tracks had better corn stands. This observation coincided with reports from Jim Kinsella in Lexington, Ill., about the benefits of strip-tilling. It piqued my interest and so I decided to commit to converting a 17-knife ammonia bar into a 12 row strip-till unit. That decision turned out to be a very good one.

Strip-Till Success

We’ve since graduated to a 16-row DMI strip-till system that we’re pulling through fairly heavy silty clay loam soil with a 250-horsepower tractor.

For those readers not familiar with strip-tilling, the system is fairly simple. Basically, heavy-duty coulters cut through residue while knives set at about an 8-inch depth till and raise the soil into a berm 3 or 4 inches high…

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