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Lamond, R.A
Lazarus, W.F
Singh, J
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Authors
Janssen, K.A
Gordon, W.B
Lamond, R.A
Fernández, F
Fabrizzi, K
Vetsch, J
Lazarus, W.F
Singh, J
Ippolito, J
LaBarge, G
Rakkar, M
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State Posters
Graduate Student Award Poster
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Oral
Poster
Year
2005
2024
2025
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Filter results3 paper(s) found.

1. Strip Tillage and No Tillage Fertilization Systems Evaluated for Eastern Kansas Rain Fed Corn

Row-crop agriculture in East-Central and Southeast Kansas is facing increasing pressure to reduce sediment and nutrient losses via runoff. Edge-of-field measurements show that no-tillage with fertilizers placed below the surface of the soil has significantly less sediment and total P losses in runoff compared to conventional tillage (Janssen et al., 2000). However, for rain-fed corn, no-tillage in these regions can provide serious challenges some years because of frequent spring rains and an abundance...

2. Polymer Coated Urea and Time of Application for Corn Production in Minnesota

Managing N for corn production is a key to minimizing N losses. Excessively wet spring conditions resulting from ongoing climate change exacerbate loss potential of early spring N applications. Also, a shift in available N fertilizer sources calls for an extensive evaluation of these sources across different soil conditions to update the current N best management practices. The objectives of this research are to evaluate various urea, polymer-coated urea (PCU), and PCU-urea blends and N application... F. Fernández, K. Fabrizzi, J. Vetsch, W.F. Lazarus

3. Effect of Manure Sources on Soil Phosphorus Dynamics

Phosphorus (P) is essential for crop production, but it also causes water quality issues such as algal blooms. Crops typically utilize only 10-20% of applied P; the remainder accumulates in soil or is eroded/leached into water bodies, resulting in reduced fertilizer use efficiency and increased risk of eutrophication. This study evaluated the effects of different organic fertilization strategies on soil P pools across two sites in Ohio. Treatments included two manure-amended sites, one receiving... J. Singh, J. Ippolito, G. Labarge, M. Rakkar