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Long-term Effects of Grazing Management and Buffer Strips on Soil Erosion from Pastures.

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Title: Long-term Effects of Grazing Management and Buffer Strips on Soil Erosion from Pastures.
Authors: Pilon, C.1, Moore, P. A.2 philipm@uark.edu, Pote, D. H.3, Pennington, J. H.4, Martin, J. W.2, Brauer, D. K.5, Raper, R. L.6, Dabney, S. M.7, Lee, J.8
Source: Journal of Environmental Quality. Mar/Apr2017, Vol. 46 Issue 2, p364-372. 9p.
Subjects: Grazing & the environment, Soil erosion, Buffer zones (Ecosystem management)
Abstract: High grazing pressure can lead to soil erosion in pastures, causing increased sediment delivery to waterways. The objectives of this research were to evaluate the impact of grazing management and buffer strips on soil erosion by assessing soil physical properties, hydrology, and sediment loads from pastures fertilized with broiler litter. Field studies were conducted for 12 yr on 15 small watersheds. Five management strategies were evaluated: hayed (H), continuously grazed (CG), rotationally grazed (R), rotationally grazed with a buffer strip (RB), and rotationally grazed with a fenced riparian buffer (RBR). Broiler litter was applied every year at a rate of 5.6 Mg ha-1. Bulk density and penetration resistance were highest for CG watersheds. Runoff volumes, sediment concentrations, and loads were lowest for the H and RBR treatments and highest for CG. Average runoff amounts were 48, 84, 77, 60, and 81 mm yr-1 for the H, R, RB, RBR, and CG treatments, respectively. Annual average sediment loads were 25, 30, 58, 71, and 110 kg ha-1 for H, RBR, R, RB, and CG, respectively. The Revised Universal Soil Loss Equation, Version 2 was reasonably effective at predicting soil loss for the R, RB, and RBR treatments, but it greatly overpredicted soil loss from the CG and H treatments. Converting a pasture to a hay field or using rotational grazing in conjunction with a fenced riparian buffer appear to be effective options for reducing soil erosion and runoff to waterways from pasture soils. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Environmental Quality is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 122017019
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Long-term Effects of Grazing Management and Buffer Strips on Soil Erosion from Pastures.
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  Data: <searchLink fieldCode="AR" term="%22Pilon%2C+C%2E%22">Pilon, C.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Moore%2C+P%2E+A%2E%22">Moore, P. A.</searchLink><relatesTo>2</relatesTo><i> philipm@uark.edu</i><br /><searchLink fieldCode="AR" term="%22Pote%2C+D%2E+H%2E%22">Pote, D. H.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Pennington%2C+J%2E+H%2E%22">Pennington, J. H.</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Martin%2C+J%2E+W%2E%22">Martin, J. W.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Brauer%2C+D%2E+K%2E%22">Brauer, D. K.</searchLink><relatesTo>5</relatesTo><br /><searchLink fieldCode="AR" term="%22Raper%2C+R%2E+L%2E%22">Raper, R. L.</searchLink><relatesTo>6</relatesTo><br /><searchLink fieldCode="AR" term="%22Dabney%2C+S%2E+M%2E%22">Dabney, S. M.</searchLink><relatesTo>7</relatesTo><br /><searchLink fieldCode="AR" term="%22Lee%2C+J%2E%22">Lee, J.</searchLink><relatesTo>8</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Environmental+Quality%22">Journal of Environmental Quality</searchLink>. Mar/Apr2017, Vol. 46 Issue 2, p364-372. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Grazing+%26+the+environment%22">Grazing & the environment</searchLink><br /><searchLink fieldCode="DE" term="%22Soil+erosion%22">Soil erosion</searchLink><br /><searchLink fieldCode="DE" term="%22Buffer+zones+%28Ecosystem+management%29%22">Buffer zones (Ecosystem management)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: High grazing pressure can lead to soil erosion in pastures, causing increased sediment delivery to waterways. The objectives of this research were to evaluate the impact of grazing management and buffer strips on soil erosion by assessing soil physical properties, hydrology, and sediment loads from pastures fertilized with broiler litter. Field studies were conducted for 12 yr on 15 small watersheds. Five management strategies were evaluated: hayed (H), continuously grazed (CG), rotationally grazed (R), rotationally grazed with a buffer strip (RB), and rotationally grazed with a fenced riparian buffer (RBR). Broiler litter was applied every year at a rate of 5.6 Mg ha-1. Bulk density and penetration resistance were highest for CG watersheds. Runoff volumes, sediment concentrations, and loads were lowest for the H and RBR treatments and highest for CG. Average runoff amounts were 48, 84, 77, 60, and 81 mm yr-1 for the H, R, RB, RBR, and CG treatments, respectively. Annual average sediment loads were 25, 30, 58, 71, and 110 kg ha-1 for H, RBR, R, RB, and CG, respectively. The Revised Universal Soil Loss Equation, Version 2 was reasonably effective at predicting soil loss for the R, RB, and RBR treatments, but it greatly overpredicted soil loss from the CG and H treatments. Converting a pasture to a hay field or using rotational grazing in conjunction with a fenced riparian buffer appear to be effective options for reducing soil erosion and runoff to waterways from pasture soils. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Environmental Quality is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.2134/jeq2016.09.0378
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      – Code: eng
        Text: English
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        PageCount: 9
        StartPage: 364
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      – SubjectFull: Grazing & the environment
        Type: general
      – SubjectFull: Soil erosion
        Type: general
      – SubjectFull: Buffer zones (Ecosystem management)
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      – TitleFull: Long-term Effects of Grazing Management and Buffer Strips on Soil Erosion from Pastures.
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              Text: Mar/Apr2017
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