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Soil Tillage for Stormwater Infiltra...

Alshraah, Shaddy Hisham.

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Soil Tillage for Stormwater Infiltration: Effects of Amendments and Vegetation Type over Time.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Soil Tillage for Stormwater Infiltration: Effects of Amendments and Vegetation Type over Time./
Author:	Alshraah, Shaddy Hisham.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2020,
Description:	115 p.
Notes:	Source: Dissertations Abstracts International, Volume: 81-11, Section: B.
Contained By:	Dissertations Abstracts International81-11B.
Subject:	Soil sciences. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28004337
ISBN:	9798643185598

Soil Tillage for Stormwater Infiltration: Effects of Amendments and Vegetation Type over Time.
Alshraah, Shaddy Hisham.

Soil Tillage for Stormwater Infiltration: Effects of Amendments and Vegetation Type over Time. - Ann Arbor : ProQuest Dissertations & Theses, 2020 - 115 p.

Source: Dissertations Abstracts International, Volume: 81-11, Section: B.

Thesis (Ph.D.)--North Carolina State University, 2020.

This item must not be sold to any third party vendors.

Urban soils are usually disturbed, compacted, and infertile, resulting in poor vegetation establishment and high runoff rates. Managing stormwater to reduce volumes, peak flows, and pollutant loads is an important goal to minimize the impact on receiving waters. Vegetation is an important element of roadside stormwater control measures (SCMs), as healthy roadside vegetation can reduce erosion and runoff. While grass is the typical vegetation along highways, wildflowers could be planted instead of grass to reduce maintenance and create better pollinator habitat. The potential differences in wildflower species root development on soil properties were explored in a greenhouse study. Soil hydraulic properties were monitored during the root development of two species to quantify the effects of roots development over time on soil pore distribution and hydraulic conductivity. A positive linear correlation between root growth and soil hydraulic conductivity was found under compacted soil conditions. Field-based studies were also established in 2016 in three regions of North Carolina and monitored for 30 months to evaluate the potential improvements in infiltration through the use of tillage together with compost and either grass or wildflowers. Plots planted in wildflowers tended to have higher soil infiltration compared to grass across all sites. Compost application also enhanced the soil infiltration in two sites out of three. Finally, the effect of tractor traffic on soil infiltration resulting from the mowing process was evaluated for wildflowers and grass. Tractor traffic substantially reduced infiltration rates in the wheel tracks but there was some evidence of recovery in the compost-amended wildflower plots. This study demonstrated the ability of compost to improve some soil properties that makes it such a useful amendment for poor urban soils. Also, wildflowers were superior to grass regarding soil infiltration and low maintenance requirements and could be a viable alternative to grass in vegetative stormwater practices.

ISBN: 9798643185598Subjects--Topical Terms:

2122699
Soil sciences.
Subjects--Index Terms:

Urban soils

Soil Tillage for Stormwater Infiltration: Effects of Amendments and Vegetation Type over Time.
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300 $a 115 p.
500 $a Source: Dissertations Abstracts International, Volume: 81-11, Section: B.
500 $a Advisor: Carley, Danesha Seth;Miller, Grady;Sayde, Chadi;Heitman, Joshua;McLaughlin, Richard.
502 $a Thesis (Ph.D.)--North Carolina State University, 2020.
506 $a This item must not be sold to any third party vendors.
520 $a Urban soils are usually disturbed, compacted, and infertile, resulting in poor vegetation establishment and high runoff rates. Managing stormwater to reduce volumes, peak flows, and pollutant loads is an important goal to minimize the impact on receiving waters. Vegetation is an important element of roadside stormwater control measures (SCMs), as healthy roadside vegetation can reduce erosion and runoff. While grass is the typical vegetation along highways, wildflowers could be planted instead of grass to reduce maintenance and create better pollinator habitat. The potential differences in wildflower species root development on soil properties were explored in a greenhouse study. Soil hydraulic properties were monitored during the root development of two species to quantify the effects of roots development over time on soil pore distribution and hydraulic conductivity. A positive linear correlation between root growth and soil hydraulic conductivity was found under compacted soil conditions. Field-based studies were also established in 2016 in three regions of North Carolina and monitored for 30 months to evaluate the potential improvements in infiltration through the use of tillage together with compost and either grass or wildflowers. Plots planted in wildflowers tended to have higher soil infiltration compared to grass across all sites. Compost application also enhanced the soil infiltration in two sites out of three. Finally, the effect of tractor traffic on soil infiltration resulting from the mowing process was evaluated for wildflowers and grass. Tractor traffic substantially reduced infiltration rates in the wheel tracks but there was some evidence of recovery in the compost-amended wildflower plots. This study demonstrated the ability of compost to improve some soil properties that makes it such a useful amendment for poor urban soils. Also, wildflowers were superior to grass regarding soil infiltration and low maintenance requirements and could be a viable alternative to grass in vegetative stormwater practices.
590 $a School code: 0155.
650 4 $a Soil sciences. $3 2122699
653 $a Urban soils
653 $a Stormwater
653 $a Roadside stormwater control measures
690 $a 0481
710 2 $a North Carolina State University. $3 1018772
773 0 $t Dissertations Abstracts International $g 81-11B.
790 $a 0155
791 $a Ph.D.
792 $a 2020
793 $a English
856 4 0 $u https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28004337