Strip-tilling and deep-banding nitrogen and phosphate increased corn grain yield vs. conventional-tillage and conventional fertilizer placement methods in highly eroded low fertile soils in 2007 research at the USDA’s Agricultural Research Service Northwest Irrigation & Soils Research Laboratory at Kimberly, Idaho.
Corn yields dropped 6 bushels per acre for every inch of driving error away from the edge of the strip, according to an Oklahoma State University research study.
Strip-tilled corn after soybeans yielded more 17.6 bushels per acre more than no-tilled corn in 2009 in head-to-head comparisons of five hybrids on-farm trials a the Conservation Cropping Systems Project near Forman, N.D.
A USDA soil scientist compared strip-till with chisel-plowing and moldboard plowing in Minnesota to see if less tillage reduced greenhouse gas emissions.
Water infiltrates up to four times more quickly in strip-tilled vs. directed-seed and conventional, full-width tillage in corn and cotton grown at the Stiles Foundation Farm in Texas.
Source: By Steve Butzen, Pioneer Hi-Bred International
Strip-till is an appealing option for farmers in the northern Corn Belt who have heavy soils that are cold and wet in the spring, says a Pioneer Hi-Bred agronomy research communications manager.
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On this edition of Conservation Ag Update, brought to you by CultivAce, Gregg Sanford, Wisconsin Integrated Cropping Systems Trial manager, reveals how no-till is stacking up to other major systems in year 34 of the trial.
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