Charles Wortmann - Extension Soil and Nutrient Management Specialist

Charles Wortmann

(faculty)
Work KEIM 369
Lincoln NE 68583-0915
US
Work 402-472-2909 On-campus 2-2909

Faculty Bio

Research Cited in CW
How Manure Impacts Soil Aggregation

Fertilizer Management for Winter Wheat August 29, 2017

With winter wheat planting drawing near, it's time to collect soil samples and determine fertilizer needs. Use the nitrogen and phosphorus information to guide your strategy.

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drought stressed corn

Estimating the Full Value of Crop Residue August 11, 2017

If you're considering cutting drought-stressed corn or sorghum for silage, you might want to take a second look at its nutrient value to the next crop if left in the field.

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Cover of the new ISU Publication,

Iowa Releases New Publication on Use of the Late Spring Soil Nitrate Test June 8, 2017

Following heavy spring rains, farmers may be interested in testing for soil nitrogen availability. This article notes a new publication from Iowa State University on using the Late Spring Soil Nitrate Test (LSNT) as well as other options for assessing soil nitrate.

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Chart of potential for nitrate-N leaching in spring 2017

Risk of Nitrate Leaching Across Nebraska as of May 21, 2017 May 25, 2017

Following heavy spring rains UNL soil scientists model potential loss of nitrate-N to soil leaching, finding an average 14% loss from mid-April levels, with three sites with much higher losses.

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NebGuide cover

New NebGuide: Soil Management for Increased Soil Organic Matter March 2, 2017

A new Nebraska Extension NebGuide discusses the steady state level of soil organic matter and how some management practices can reduce soil organic matter loss or increase soil organic matter.

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The Long View of Nitrogen Recommendations from Nebraska Extension January 6, 2017

At the 2017 Crop Production Clinics, the Nebraska Extension Soils Team is presenting a historical overview of how nitrogen recommendations for corn have developed and changed since the 1950s. We are also discussing what may lay ahead for nitrogen management.

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