Proceedings :: North Central Soil Fertility Conference

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German, D

Henderson, H

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Henderson, H

Laboski, C

Guidry, A

Schindler, F

German, D

Gelderman, R

Gerwing, J

Topics

Type

Oral

Year

2015

2004

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Filter results2 paper(s) found.
1. Crop Sensors as In-season Nitrogen Management Tool for Winter Wheat in Wisconsin In Wisconsin, current winter wheat (Triticum aestivum L.) nitrogen (N) rate guidelines are determined by soil type, previous crop, and pre-plant soil nitrate test (PPNT). Nitrogen management may be improved through site-specific assessments of N need in the spring, offering a more effective use of top-dressed N. The study objective was to determine if crop reflectance measurements could be used to determine optimal in-season N rates on silt loam soils in eastern Wisconsin. This study evaluated the... Download paper
2. Influence of Soil Test Phosphorus on Phosphorus Runoff Losses from South Dakota Soils Applications of manure and fertilizer phosphorus (P) to soil in excess of optimal crop requirements leads to a buildup of soil test phosphorus (STP) and increases the risk of offsite transfer of P during heavy precipitation events. The first step to developing effective manure and fertilizer P application strategies for South Dakota is to evaluate the relationship that exists between soil and runoff P. The objectives of this study were to: 1) determine the relationship between STP and runoff P concentrations... Download paper

Filter results2 paper(s) found.

1. Crop Sensors as In-season Nitrogen Management Tool for Winter Wheat in Wisconsin

In Wisconsin, current winter wheat (Triticum aestivum L.) nitrogen (N) rate guidelines are determined by soil type, previous crop, and pre-plant soil nitrate test (PPNT). Nitrogen management may be improved through site-specific assessments of N need in the spring, offering a more effective use of top-dressed N. The study objective was to determine if crop reflectance measurements could be used to determine optimal in-season N rates on silt loam soils in eastern Wisconsin. This study evaluated the...

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2. Influence of Soil Test Phosphorus on Phosphorus Runoff Losses from South Dakota Soils

Applications of manure and fertilizer phosphorus (P) to soil in excess of optimal crop requirements leads to a buildup of soil test phosphorus (STP) and increases the risk of offsite transfer of P during heavy precipitation events. The first step to developing effective manure and fertilizer P application strategies for South Dakota is to evaluate the relationship that exists between soil and runoff P. The objectives of this study were to: 1) determine the relationship between STP and runoff P concentrations...

Download paper