Source: By Antonio P. Mallarino, Department of Agronomy, Iowa State University
Some corn and soybean fields, mainly in eastern and southern Iowa, are showing potassium deficiency symptoms, even when growth stages range from V3 to V8.
Each spring season brings forth challenging situations for young corn plants to overcome. Fertilizer burn and rootless corn syndrome are two challenges that are showing up in some areas of the Northern Corn Belt in 2012.
The trend in fertilizer application today is to go larger to cover more acreage, provide more flexibility of applications and be more precise, according to manufacturers interviewed at the 2010 Farm Progress Show.
Cover crops incorporated into a continuous no-till field crop rotation can produce enough nitrogen to complement, or in some cases, replace corn nitrogen fertilizer applications, according to long-term Ohio State University Extension research.
Destructive trails left by a shank and knife anhydrous applicator are fodder for no-tiller nightmares. But new low-disturbance applicators mean no-tillers can slip the cost-effective nitrogen source into the ground and leave barely a mark.
Some might consider Dan Peyton a “weekender” farmer, as he divides his time between no-tilling 300 acres of corn and soybeans and a full-time job at a nearby printing firm in Long Prairie, Minn.
Paul Reed takes a look at soil test concerns, understanding the impact of magnesium on soil and hydraulic conductivity, compaction, nutrient management and no-till corn hybrid response to fertility.
Paul Reed, his three brothers and father have been no-tilling corn since 1982 and soybeans since 1989. They no-till throughout the western side of Iowa's Washington County.
Field conditions dictate proper use of no-till drill attachments, says Monsanto Conservation Tillage Specialist John Bradley. “The key is to be prepared when you no-till under different field conditions, different moisture conditions and different residue conditions,” says Bradley.
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On this episode of Conservation Ag Update, brought to you by Montag Manufacturing, growers from across the U.S. share their predictions for the upcoming planting season, including one no-tiller who’s “bullish” about a great spring.
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