Effects of Broiler Litter Applied to No-Till and Tillage Cotton on Selected Soil Properties

Improved understanding of the effects of broiler litter application to row crops as a source of nutrients on soil properties is required to predict the outcome of litter applications and prevent undesirable environmental impacts. This study was conducted on two separate commercial farms representing...

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Veröffentlicht in:Soil Science Society of America journal 2007-05, Vol.71 (3), p.974-983
Hauptverfasser: Adeli, A, Sistani, K.R, Rowe, D.E, Tewolde, H
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creator Adeli, A
Sistani, K.R
Rowe, D.E
Tewolde, H
description Improved understanding of the effects of broiler litter application to row crops as a source of nutrients on soil properties is required to predict the outcome of litter applications and prevent undesirable environmental impacts. This study was conducted on two separate commercial farms representing a no-till system at Coffeeville and a conventional-tillage system at Cruger in Mississippi to evaluate soil chemical, physical, and biological properties in response to 3 yr of broiler litter application with or without supplemental N. In each location, the experimental design was a randomized complete block with six treatments replicated four times. Treatments included broiler litter rates of 0, 4.5, and 6.7 Mg ha-1 in some combination with 0, 34, and 67 kg N ha-1. Commercial N-P-K fertilizer at the recommended rate was included. At the Coffeeville location, changes in soil characters increased with increasing broiler litter applications, and at the rate of 6.7 Mg ha-1, soil pH, P, total N, total C, microbial biomass C, and soil aggregate stability significantly increased by 22, 20, 18, 20, 28, and 34%, respectively, as compared with commercial fertilizer treatment at the recommended rate. At the Cruger location, changes in soil character were less responsive to treatment applications. For the same broiler litter rate at Coffeeville and Cruger, no significant difference in the changes of soil character was obtained between a combination of broiler litter with supplemental N and broiler litter alone treatments. At both locations, broiler litter at rates >4.5 Mg ha-1 with 67 kg ha-1 supplemental N did not increased cotton lint yield and exceeded the crop N use potential as evidenced by increasing soil profile NO3-N.
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This study was conducted on two separate commercial farms representing a no-till system at Coffeeville and a conventional-tillage system at Cruger in Mississippi to evaluate soil chemical, physical, and biological properties in response to 3 yr of broiler litter application with or without supplemental N. In each location, the experimental design was a randomized complete block with six treatments replicated four times. Treatments included broiler litter rates of 0, 4.5, and 6.7 Mg ha-1 in some combination with 0, 34, and 67 kg N ha-1. Commercial N-P-K fertilizer at the recommended rate was included. At the Coffeeville location, changes in soil characters increased with increasing broiler litter applications, and at the rate of 6.7 Mg ha-1, soil pH, P, total N, total C, microbial biomass C, and soil aggregate stability significantly increased by 22, 20, 18, 20, 28, and 34%, respectively, as compared with commercial fertilizer treatment at the recommended rate. At the Cruger location, changes in soil character were less responsive to treatment applications. For the same broiler litter rate at Coffeeville and Cruger, no significant difference in the changes of soil character was obtained between a combination of broiler litter with supplemental N and broiler litter alone treatments. At both locations, broiler litter at rates &gt;4.5 Mg ha-1 with 67 kg ha-1 supplemental N did not increased cotton lint yield and exceeded the crop N use potential as evidenced by increasing soil profile NO3-N.</description><subject>agricultural soils</subject><subject>Agronomy. Soil science and plant productions</subject><subject>Biological and medical sciences</subject><subject>Biological properties</subject><subject>Chemicals</subject><subject>Coastal plains</subject><subject>Commercial farms</subject><subject>conventional tillage</subject><subject>Cropping systems. Cultivation. Soil tillage</subject><subject>Environmental impact</subject><subject>Experimental design</subject><subject>fertilizer application</subject><subject>Fertilizers</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General agronomy. Plant production</subject><subject>Gossypium</subject><subject>Litter</subject><subject>nitrogen</subject><subject>nitrogen fertilizers</subject><subject>no-tillage</subject><subject>NPK fertilizers</subject><subject>Other nutrients. Amendments. Solid and liquid wastes. Sludges and slurries</subject><subject>poultry manure</subject><subject>silt loam soils</subject><subject>Soil aggregates</subject><subject>Soil nutrients</subject><subject>Soil pH</subject><subject>Soil profiles</subject><subject>Soil properties</subject><subject>Soil stability</subject><subject>Soil tillage</subject><subject>Soil-plant relationships. Soil fertility. Fertilization. Amendments</subject><subject>Soils</subject><subject>Testing laboratories</subject><subject>Tillage</subject><subject>Tillage. Tending. 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This study was conducted on two separate commercial farms representing a no-till system at Coffeeville and a conventional-tillage system at Cruger in Mississippi to evaluate soil chemical, physical, and biological properties in response to 3 yr of broiler litter application with or without supplemental N. In each location, the experimental design was a randomized complete block with six treatments replicated four times. Treatments included broiler litter rates of 0, 4.5, and 6.7 Mg ha-1 in some combination with 0, 34, and 67 kg N ha-1. Commercial N-P-K fertilizer at the recommended rate was included. At the Coffeeville location, changes in soil characters increased with increasing broiler litter applications, and at the rate of 6.7 Mg ha-1, soil pH, P, total N, total C, microbial biomass C, and soil aggregate stability significantly increased by 22, 20, 18, 20, 28, and 34%, respectively, as compared with commercial fertilizer treatment at the recommended rate. At the Cruger location, changes in soil character were less responsive to treatment applications. For the same broiler litter rate at Coffeeville and Cruger, no significant difference in the changes of soil character was obtained between a combination of broiler litter with supplemental N and broiler litter alone treatments. At both locations, broiler litter at rates &gt;4.5 Mg ha-1 with 67 kg ha-1 supplemental N did not increased cotton lint yield and exceeded the crop N use potential as evidenced by increasing soil profile NO3-N.</abstract><cop>Madison</cop><pub>Soil Science Society</pub><doi>10.2136/sssaj2006.0092</doi><tpages>10</tpages></addata></record>
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source Wiley Online Library Journals Frontfile Complete
subjects agricultural soils
Agronomy. Soil science and plant productions
Biological and medical sciences
Biological properties
Chemicals
Coastal plains
Commercial farms
conventional tillage
Cropping systems. Cultivation. Soil tillage
Environmental impact
Experimental design
fertilizer application
Fertilizers
Fundamental and applied biological sciences. Psychology
General agronomy. Plant production
Gossypium
Litter
nitrogen
nitrogen fertilizers
no-tillage
NPK fertilizers
Other nutrients. Amendments. Solid and liquid wastes. Sludges and slurries
poultry manure
silt loam soils
Soil aggregates
Soil nutrients
Soil pH
Soil profiles
Soil properties
Soil stability
Soil tillage
Soil-plant relationships. Soil fertility. Fertilization. Amendments
Soils
Testing laboratories
Tillage
Tillage. Tending. Growth control
title Effects of Broiler Litter Applied to No-Till and Tillage Cotton on Selected Soil Properties
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