author_facet Kaiser, Daniel E.
Mallarino, Antonio P.
Haq, Mazhar U.
Allen, Brett L.
Kaiser, Daniel E.
Mallarino, Antonio P.
Haq, Mazhar U.
Allen, Brett L.
author Kaiser, Daniel E.
Mallarino, Antonio P.
Haq, Mazhar U.
Allen, Brett L.
spellingShingle Kaiser, Daniel E.
Mallarino, Antonio P.
Haq, Mazhar U.
Allen, Brett L.
Journal of Environmental Quality
Runoff Phosphorus Loss Immediately after Poultry Manure Application as Influenced by the Application Rate and Tillage
Management, Monitoring, Policy and Law
Pollution
Waste Management and Disposal
Water Science and Technology
Environmental Engineering
author_sort kaiser, daniel e.
spelling Kaiser, Daniel E. Mallarino, Antonio P. Haq, Mazhar U. Allen, Brett L. 0047-2425 1537-2537 Wiley Management, Monitoring, Policy and Law Pollution Waste Management and Disposal Water Science and Technology Environmental Engineering http://dx.doi.org/10.2134/jeq2007.0628 <jats:p>Excessive or N‐based application of poultry manure for crops may result in significant risk of P loss with surface runoff. This study assessed P loss immediately after poultry manure application to soybean [<jats:italic>Glycine max</jats:italic> (L.) Merr.] residue with and without tillage at eight Iowa fields. Manure from chickens (<jats:italic>Gallus gallus domesticus</jats:italic>) or turkeys (<jats:italic>Melleagris gollopavo</jats:italic>) was applied at intended rates of 0, 84, or 168 kg total N ha<jats:sup>−1</jats:sup> (total P was 0, 21–63, 50–123 kg P ha<jats:sup>−1</jats:sup>, respectively) with three replications. Simulated rainfall (76 mm h<jats:sup>−1</jats:sup>) was applied to 3‐m<jats:sup>2</jats:sup> sections of larger field plots with 2 to 7% slope, usually within 2 d of application, to collect runoff during 30 min. Runoff was analyzed for concentrations of sediment, dissolved reactive P (DRPC), bioavailable P (BAPC), and total P (TPRC). Non‐incorporated manure consistently increased (<jats:italic>P</jats:italic> ≤ 0.10) concentrations of all runoff P fractions in five sites, but there were increasing trends at all sites, and on average manure increased DRPC, BAPC, and TPRC 32, 23, and 12 times, respectively, over the control. Tillage to incorporate manure reduced DRPC, BAPC, and TPRC by 88, 89, and 77% on average, respectively, although in non‐manured plots tillage seldom affected DRPC or BAPC and often increased TPRC. Tillage increased sediment concentration in runoff but not enough to offset the benefits of manure P incorporation. Runoff P loads generally followed trends of runoff P concentrations but were more variable, and significant treatment effects were less frequent. Overall, incorporation of manure by tillage was very effective at reducing P loss during runoff events shortly after poultry manure application under the conditions of this study.</jats:p> Runoff Phosphorus Loss Immediately after Poultry Manure Application as Influenced by the Application Rate and Tillage Journal of Environmental Quality
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title Runoff Phosphorus Loss Immediately after Poultry Manure Application as Influenced by the Application Rate and Tillage
title_unstemmed Runoff Phosphorus Loss Immediately after Poultry Manure Application as Influenced by the Application Rate and Tillage
title_full Runoff Phosphorus Loss Immediately after Poultry Manure Application as Influenced by the Application Rate and Tillage
title_fullStr Runoff Phosphorus Loss Immediately after Poultry Manure Application as Influenced by the Application Rate and Tillage
title_full_unstemmed Runoff Phosphorus Loss Immediately after Poultry Manure Application as Influenced by the Application Rate and Tillage
title_short Runoff Phosphorus Loss Immediately after Poultry Manure Application as Influenced by the Application Rate and Tillage
title_sort runoff phosphorus loss immediately after poultry manure application as influenced by the application rate and tillage
topic Management, Monitoring, Policy and Law
Pollution
Waste Management and Disposal
Water Science and Technology
Environmental Engineering
url http://dx.doi.org/10.2134/jeq2007.0628
publishDate 2009
physical 299-308
description <jats:p>Excessive or N‐based application of poultry manure for crops may result in significant risk of P loss with surface runoff. This study assessed P loss immediately after poultry manure application to soybean [<jats:italic>Glycine max</jats:italic> (L.) Merr.] residue with and without tillage at eight Iowa fields. Manure from chickens (<jats:italic>Gallus gallus domesticus</jats:italic>) or turkeys (<jats:italic>Melleagris gollopavo</jats:italic>) was applied at intended rates of 0, 84, or 168 kg total N ha<jats:sup>−1</jats:sup> (total P was 0, 21–63, 50–123 kg P ha<jats:sup>−1</jats:sup>, respectively) with three replications. Simulated rainfall (76 mm h<jats:sup>−1</jats:sup>) was applied to 3‐m<jats:sup>2</jats:sup> sections of larger field plots with 2 to 7% slope, usually within 2 d of application, to collect runoff during 30 min. Runoff was analyzed for concentrations of sediment, dissolved reactive P (DRPC), bioavailable P (BAPC), and total P (TPRC). Non‐incorporated manure consistently increased (<jats:italic>P</jats:italic> ≤ 0.10) concentrations of all runoff P fractions in five sites, but there were increasing trends at all sites, and on average manure increased DRPC, BAPC, and TPRC 32, 23, and 12 times, respectively, over the control. Tillage to incorporate manure reduced DRPC, BAPC, and TPRC by 88, 89, and 77% on average, respectively, although in non‐manured plots tillage seldom affected DRPC or BAPC and often increased TPRC. Tillage increased sediment concentration in runoff but not enough to offset the benefits of manure P incorporation. Runoff P loads generally followed trends of runoff P concentrations but were more variable, and significant treatment effects were less frequent. Overall, incorporation of manure by tillage was very effective at reducing P loss during runoff events shortly after poultry manure application under the conditions of this study.</jats:p>
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author Kaiser, Daniel E., Mallarino, Antonio P., Haq, Mazhar U., Allen, Brett L.
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author_sort kaiser, daniel e.
container_issue 1
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container_title Journal of Environmental Quality
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description <jats:p>Excessive or N‐based application of poultry manure for crops may result in significant risk of P loss with surface runoff. This study assessed P loss immediately after poultry manure application to soybean [<jats:italic>Glycine max</jats:italic> (L.) Merr.] residue with and without tillage at eight Iowa fields. Manure from chickens (<jats:italic>Gallus gallus domesticus</jats:italic>) or turkeys (<jats:italic>Melleagris gollopavo</jats:italic>) was applied at intended rates of 0, 84, or 168 kg total N ha<jats:sup>−1</jats:sup> (total P was 0, 21–63, 50–123 kg P ha<jats:sup>−1</jats:sup>, respectively) with three replications. Simulated rainfall (76 mm h<jats:sup>−1</jats:sup>) was applied to 3‐m<jats:sup>2</jats:sup> sections of larger field plots with 2 to 7% slope, usually within 2 d of application, to collect runoff during 30 min. Runoff was analyzed for concentrations of sediment, dissolved reactive P (DRPC), bioavailable P (BAPC), and total P (TPRC). Non‐incorporated manure consistently increased (<jats:italic>P</jats:italic> ≤ 0.10) concentrations of all runoff P fractions in five sites, but there were increasing trends at all sites, and on average manure increased DRPC, BAPC, and TPRC 32, 23, and 12 times, respectively, over the control. Tillage to incorporate manure reduced DRPC, BAPC, and TPRC by 88, 89, and 77% on average, respectively, although in non‐manured plots tillage seldom affected DRPC or BAPC and often increased TPRC. Tillage increased sediment concentration in runoff but not enough to offset the benefits of manure P incorporation. Runoff P loads generally followed trends of runoff P concentrations but were more variable, and significant treatment effects were less frequent. Overall, incorporation of manure by tillage was very effective at reducing P loss during runoff events shortly after poultry manure application under the conditions of this study.</jats:p>
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spelling Kaiser, Daniel E. Mallarino, Antonio P. Haq, Mazhar U. Allen, Brett L. 0047-2425 1537-2537 Wiley Management, Monitoring, Policy and Law Pollution Waste Management and Disposal Water Science and Technology Environmental Engineering http://dx.doi.org/10.2134/jeq2007.0628 <jats:p>Excessive or N‐based application of poultry manure for crops may result in significant risk of P loss with surface runoff. This study assessed P loss immediately after poultry manure application to soybean [<jats:italic>Glycine max</jats:italic> (L.) Merr.] residue with and without tillage at eight Iowa fields. Manure from chickens (<jats:italic>Gallus gallus domesticus</jats:italic>) or turkeys (<jats:italic>Melleagris gollopavo</jats:italic>) was applied at intended rates of 0, 84, or 168 kg total N ha<jats:sup>−1</jats:sup> (total P was 0, 21–63, 50–123 kg P ha<jats:sup>−1</jats:sup>, respectively) with three replications. Simulated rainfall (76 mm h<jats:sup>−1</jats:sup>) was applied to 3‐m<jats:sup>2</jats:sup> sections of larger field plots with 2 to 7% slope, usually within 2 d of application, to collect runoff during 30 min. Runoff was analyzed for concentrations of sediment, dissolved reactive P (DRPC), bioavailable P (BAPC), and total P (TPRC). Non‐incorporated manure consistently increased (<jats:italic>P</jats:italic> ≤ 0.10) concentrations of all runoff P fractions in five sites, but there were increasing trends at all sites, and on average manure increased DRPC, BAPC, and TPRC 32, 23, and 12 times, respectively, over the control. Tillage to incorporate manure reduced DRPC, BAPC, and TPRC by 88, 89, and 77% on average, respectively, although in non‐manured plots tillage seldom affected DRPC or BAPC and often increased TPRC. Tillage increased sediment concentration in runoff but not enough to offset the benefits of manure P incorporation. Runoff P loads generally followed trends of runoff P concentrations but were more variable, and significant treatment effects were less frequent. Overall, incorporation of manure by tillage was very effective at reducing P loss during runoff events shortly after poultry manure application under the conditions of this study.</jats:p> Runoff Phosphorus Loss Immediately after Poultry Manure Application as Influenced by the Application Rate and Tillage Journal of Environmental Quality
spellingShingle Kaiser, Daniel E., Mallarino, Antonio P., Haq, Mazhar U., Allen, Brett L., Journal of Environmental Quality, Runoff Phosphorus Loss Immediately after Poultry Manure Application as Influenced by the Application Rate and Tillage, Management, Monitoring, Policy and Law, Pollution, Waste Management and Disposal, Water Science and Technology, Environmental Engineering
title Runoff Phosphorus Loss Immediately after Poultry Manure Application as Influenced by the Application Rate and Tillage
title_full Runoff Phosphorus Loss Immediately after Poultry Manure Application as Influenced by the Application Rate and Tillage
title_fullStr Runoff Phosphorus Loss Immediately after Poultry Manure Application as Influenced by the Application Rate and Tillage
title_full_unstemmed Runoff Phosphorus Loss Immediately after Poultry Manure Application as Influenced by the Application Rate and Tillage
title_short Runoff Phosphorus Loss Immediately after Poultry Manure Application as Influenced by the Application Rate and Tillage
title_sort runoff phosphorus loss immediately after poultry manure application as influenced by the application rate and tillage
title_unstemmed Runoff Phosphorus Loss Immediately after Poultry Manure Application as Influenced by the Application Rate and Tillage
topic Management, Monitoring, Policy and Law, Pollution, Waste Management and Disposal, Water Science and Technology, Environmental Engineering
url http://dx.doi.org/10.2134/jeq2007.0628