Charles Shapiro - Extension Soil Scientist—Crop Nutrition

Charles Shapiro

(faculty)
Work
HAL 57905 866 Rd Concord NE 68728-2828
US
Work 402-584-3803 On-campus 7-3803

Faculty Bio

Research Cited in CW
How Manure Impacts Soil Aggregation

Charles Shapiro

It is Time to Hang Up the Soil Probe ― Reflections on a Career December 13, 2017

In his final article for CropWatch Nebraska Soil Scientist Charles Shapiro reflects on changes in crop nutrient management practices across his career.

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Nebraska Soybean N Trials
Figure 1. Photos of one site of the Nebraska Extension Soybean Management Field Day research (2013) that compared the effects of several nitrogen treatments on soybeans. Pictured is the zero N control on the left and the 400 lbs/ac split N application on the right. Averaged over four sites the control yielded 73.4 bu/ac and the 400 lbs N averaged 78.9 bu/ac. (To view the results from this study, see https://go.unl.edu/smfdresults2013, pages 1-6.)

Nitrogen on Soybeans — the Hope Never Dies November 6, 2017

Nebraska Soil Scientist Charles Shapiro offers a synopsis of two new publications, both with University of Nebraska authors, that address the question of the nitrogen deficit between soil supply and nitrogen fixation and what affects whether increased nitrogen leads to increased yield.

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Map indicating how various Nebraska and Kansas sites are expected to vary from average yields.

2017 Corn Yield Forecasts as of September 20 September 21, 2017

Crop modelers wrap up their forecasts of rainfed and irrigated corn yields across the Corn Belt for 2017, noting above-average yields for about 80% of the irrigated sites and more than 60% of the rainfed sites. Irrigated yields ranged from 11%-17% over long-term averages at those sites and rainfed yields at those sites were 13%-40% above average. View data for all the sites.

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Figure 1. Early-planted rye on the left and late-planted rye on the right in a research study at the Eastern Nebraska Research and Extension Center near Mead.
Figure 1. Early-planted rye on the left and late-planted rye on the right at in a research study at the Eastern Nebraska Research and Extension Center near Mead.

Cover Crop Productivity In Corn And Soybean Systems September 7, 2017

University researchers share results from their study of cover crops planted pre- and post-harvest and in seed corn at three sites: Clay Center, Concord, and Mead.

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Forecast of end-of-season irrigated corn yields in Nebraska and Kansas

2017 Corn Yield Forecasts as of August 30 September 1, 2017

Forecasts for end-of-season corn yields improved across much of the Corn Belt since the early August forecast. View crop stage and yield forecasts as well as weather data. In Nebraska predictions are for near to above average corn yields for most sites, except northeast and northwest sites.

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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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Taking the corn stalk nitrate test in the field

Evaluating N Management with the Corn Stalk Nitrate Test August 23, 2017

When is this test best used? Often it may be well used to compare nitrogen uptake between two practices in corn.

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Maps showing likelihood of yield deviations for rainfed corn at various sites.

2017 Corn Yield Forecasts as of Aug. 9 August 11, 2017

Corn yield forecasts for Nebraska sites indicate near-average to above average yields for most irrigated sites. There was much more yield variability for rainfed locations where three of the sites were forecast with a 50%-100% chance of below-normal yields and three were forecast for normal yields, while one was near average.

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