Search Results - "GEHL, R.J"

Nonlinear nitrous oxide (N₂O) response to nitrogen fertilizer in on-farm corn crops of the US Midwest by HOBEN, J.P, GEHL, R.J, MILLAR, N, GRACE, P.R, ROBERTSON, G.P

“…Row-crop agriculture is a major source of nitrous oxide (N₂O) globally, and results from recent field experiments suggest that significant decreases in N₂O…”
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Corn yield response to nitrogen rate and timing in sandy irrigated soils by Gehl, R.J, Schmidt, J.P, Maddux, L.D, Gordon, W.B

“…Efficient use of N fertilizer for corn (Zea mays L.) production is important for maximizing economic return and minimizing NO3 leaching to groundwater. The…”
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In situ measurements of nitrate leaching implicate poor nitrogen and irrigation management on sandy soils by Gehl, R.J, Schmidt, J.P, Stone, L.R, Schlegel, A.J, Clark, G.A

“…Minimizing the risk of nitrate contamination along the waterways of the U.S. Great Plains is essential to continued irrigated corn production and quality water…”
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Post-Harvest Soil Nitrate in Irrigated Corn: Variability Among Eight Field Sites and Multiple Nitrogen Rates by Gehl, R.J, Schmidt, J.P, Godsey, C.B, Maddux, L.D, Gordon, W.B

“…Elevated post-harvest soil NO₃ is an indicator that N fertilizer was applied in excess of the amount required to obtain maximum corn (Zea mays L.) yield, and…”
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