Repeated Compost Application Effects on Phosphorus Runoff in the Virginia Piedmont

Increasing amounts of animal and municipal wastes are being composted before land application to improve handling and spreading characteristics, and to reduce odor and disease incidence. Repeated applications of composted biosolids and manure to cropland may increase the risk for P enrichment of agr...

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Veröffentlicht in:Journal of environmental quality 2006-11, Vol.35 (6), p.2342-2351
Hauptverfasser: Spargo, J.T, Evanylo, G.K, Alley, M.M
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creator Spargo, J.T
Evanylo, G.K
Alley, M.M
description Increasing amounts of animal and municipal wastes are being composted before land application to improve handling and spreading characteristics, and to reduce odor and disease incidence. Repeated applications of composted biosolids and manure to cropland may increase the risk for P enrichment of agricultural runoff. We conducted field research in 2003 and 2004 on a Fauquier silty clay loam (Ultic Hapludalfs) to compare the effects of annual (since 1999) applications of composted and uncomposted organic residuals on P runoff characteristics. Biosolids compost (BSC), poultry litter-yard waste compost (PLC), and uncomposted poultry litter (PL) were applied based on estimated plant-available N. A commercial fertilizer treatment (CF) and an unamended control treatment (CTL) were also included. Corn (Zea mays L.) and a cereal rye (Secale cereal L.) cover crop were planted each year. We applied simulated rainfall in fall 2004 and analyzed runoff for dissolved reactive P (DRP), total dissolved P (TDP), total P (TP), total organic C (TOC), and total suspended solids (TSS). End of season soil samples were analyzed for Mehlich-3 P (M3P), EPA 3050 P (3050P), water soluble P (WSP), degree of P saturation (DPS), soil C, and bulk density. Compost treatments significantly increased soil C, decreased bulk density, and increased M3P, 3050P, WSP, and DPS. The concentration of DRP, TDP, and TP in runoff was highest in compost treatments, but the mass of DRP and TDP was not different among treatments because infiltration was higher and runoff lower in compost-amended soil. Improved soil physical properties associated with poultry litter-yard waste compost application decreased loss of TP and TSS.
doi_str_mv 10.2134/jeq2006.0105
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Repeated applications of composted biosolids and manure to cropland may increase the risk for P enrichment of agricultural runoff. We conducted field research in 2003 and 2004 on a Fauquier silty clay loam (Ultic Hapludalfs) to compare the effects of annual (since 1999) applications of composted and uncomposted organic residuals on P runoff characteristics. Biosolids compost (BSC), poultry litter-yard waste compost (PLC), and uncomposted poultry litter (PL) were applied based on estimated plant-available N. A commercial fertilizer treatment (CF) and an unamended control treatment (CTL) were also included. Corn (Zea mays L.) and a cereal rye (Secale cereal L.) cover crop were planted each year. We applied simulated rainfall in fall 2004 and analyzed runoff for dissolved reactive P (DRP), total dissolved P (TDP), total P (TP), total organic C (TOC), and total suspended solids (TSS). End of season soil samples were analyzed for Mehlich-3 P (M3P), EPA 3050 P (3050P), water soluble P (WSP), degree of P saturation (DPS), soil C, and bulk density. Compost treatments significantly increased soil C, decreased bulk density, and increased M3P, 3050P, WSP, and DPS. The concentration of DRP, TDP, and TP in runoff was highest in compost treatments, but the mass of DRP and TDP was not different among treatments because infiltration was higher and runoff lower in compost-amended soil. 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Repeated applications of composted biosolids and manure to cropland may increase the risk for P enrichment of agricultural runoff. We conducted field research in 2003 and 2004 on a Fauquier silty clay loam (Ultic Hapludalfs) to compare the effects of annual (since 1999) applications of composted and uncomposted organic residuals on P runoff characteristics. Biosolids compost (BSC), poultry litter-yard waste compost (PLC), and uncomposted poultry litter (PL) were applied based on estimated plant-available N. A commercial fertilizer treatment (CF) and an unamended control treatment (CTL) were also included. Corn (Zea mays L.) and a cereal rye (Secale cereal L.) cover crop were planted each year. We applied simulated rainfall in fall 2004 and analyzed runoff for dissolved reactive P (DRP), total dissolved P (TDP), total P (TP), total organic C (TOC), and total suspended solids (TSS). 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Soil science and plant productions</topic><topic>Animals</topic><topic>Applied sciences</topic><topic>Biological and medical sciences</topic><topic>Biosolids</topic><topic>Carbon - analysis</topic><topic>Carbon - metabolism</topic><topic>Cities</topic><topic>Clay loam</topic><topic>clay loam soils</topic><topic>composted manure</topic><topic>Composting</topic><topic>Composts</topic><topic>Cover crops</topic><topic>Crop rotation</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Engineering and environment geology. Geothermics</topic><topic>Environmental Monitoring</topic><topic>Exact sciences and technology</topic><topic>fertilizer application</topic><topic>Fertilizers</topic><topic>Fundamental and applied biological sciences. 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Repeated applications of composted biosolids and manure to cropland may increase the risk for P enrichment of agricultural runoff. We conducted field research in 2003 and 2004 on a Fauquier silty clay loam (Ultic Hapludalfs) to compare the effects of annual (since 1999) applications of composted and uncomposted organic residuals on P runoff characteristics. Biosolids compost (BSC), poultry litter-yard waste compost (PLC), and uncomposted poultry litter (PL) were applied based on estimated plant-available N. A commercial fertilizer treatment (CF) and an unamended control treatment (CTL) were also included. Corn (Zea mays L.) and a cereal rye (Secale cereal L.) cover crop were planted each year. We applied simulated rainfall in fall 2004 and analyzed runoff for dissolved reactive P (DRP), total dissolved P (TDP), total P (TP), total organic C (TOC), and total suspended solids (TSS). End of season soil samples were analyzed for Mehlich-3 P (M3P), EPA 3050 P (3050P), water soluble P (WSP), degree of P saturation (DPS), soil C, and bulk density. Compost treatments significantly increased soil C, decreased bulk density, and increased M3P, 3050P, WSP, and DPS. The concentration of DRP, TDP, and TP in runoff was highest in compost treatments, but the mass of DRP and TDP was not different among treatments because infiltration was higher and runoff lower in compost-amended soil. Improved soil physical properties associated with poultry litter-yard waste compost application decreased loss of TP and TSS.</abstract><cop>Madison</cop><pub>American Society of Agronomy, Crop Science Society of America, Soil Science Society</pub><pmid>17071905</pmid><doi>10.2134/jeq2006.0105</doi><tpages>10</tpages></addata></record>
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source Wiley Online Library - AutoHoldings Journals; MEDLINE
subjects Agricultural land
Agricultural practices
Agricultural runoff
Agricultural wastes
Agriculture
Agronomy. Soil science and plant productions
Animals
Applied sciences
Biological and medical sciences
Biosolids
Carbon - analysis
Carbon - metabolism
Cities
Clay loam
clay loam soils
composted manure
Composting
Composts
Cover crops
Crop rotation
Earth sciences
Earth, ocean, space
Engineering and environment geology. Geothermics
Environmental Monitoring
Exact sciences and technology
fertilizer application
Fertilizers
Fundamental and applied biological sciences. Psychology
Hapludalfs
Litter
Losses
losses from soil
Manure
Medical treatment
Municipal wastes
Organic Chemicals - analysis
Organic Chemicals - metabolism
phosphorus
Phosphorus - analysis
Phosphorus - metabolism
Physical properties
Pollution
Pollution, environment geology
Poultry
poultry manure
rainfall simulation
Residuals
Secale
Secale - growth & development
Simulated rainfall
Soil amendment
soil amendments
soil chemical properties
Soil physical properties
Soil Pollutants - analysis
Soils
solubility
Testing laboratories
Time Factors
Total suspended solids
Virginia
Water Movements
Water quality
wood chips
Yard waste
Zea mays
Zea mays - growth & development
title Repeated Compost Application Effects on Phosphorus Runoff in the Virginia Piedmont
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