A review of the effectiveness of vegetated buffers to mitigate pesticide and nutrient transport into surface waters from agricultural areas

Prosser, Ryan S.; Hoekstra, Paul F.; Gene, Samantha May; Truman, C. C.; White, M.H.; Hanson, Mark L.

doi:10.1016/j.jenvman.2020.110210

Cited by 67 publications

(26 citation statements)

References 107 publications

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“…The present analysis documents filter strip (FS) efficiency for a broad range of contaminants including sediment, nutrients, pesticides, and fecal indicator organisms. As described by others (e.g., Prosser et al, 2020), the present study also showed a large variability in FS efficiency at a given width. Thus, the examination of other factors in the present study (e.g., area ratio, slope, saturated hydraulic conductivity (K s ), runoff intensity) was an important endeavor.…”

Section: Discussionsupporting

confidence: 91%

“…Considerable research has studied the performance of FSs, as noted in a variety of review articles. Previous review articles tended to focus on a subset of constituents, such as sediment Yuan et al, 2009), nutrients (Prosser et al, 2020;Valkama et al, 2019), or pesticides (Krutz et al, 2005;Prosser et al, 2020;Reichenberger et al, 2019); on impacts, such as water quality (Helmers et al, 2008) or holistic benefits (Stutter et al, 2019); on design characteristics, such as width Lee et al, 2004), FS to upslope drainage area ratio (Dosskey et al, 2011), or time since establishment (Dosskey et al, 2007); or on applications, such as runoff from livestock systems (Koelsch et al, 2006), buffer strips (Barling and Moore, 1994;Lee et al, 2004;Mayer et al, 2005), the E.U. Water Framework Directive , or U.S. Gulf Hypoxia (Helmers et al, 2008).…”

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confidence: 99%

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Review of Filter Strip Performance and Function for Improving Water Quality from Agricultural Lands

Douglas-Mankin¹,

Helmers²,

Harmel³

2021

Transactions of the ASABE

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HighlightsFilter strip processes for water pollutant reductions were quantified from 74 studies with almost 300 data points.Regression was significant versus width (sediment, N, P), area ratio (sediment, atrazine), and Ks (N, P, atrazine, alachlor).This review discusses ten functional factors affecting FS efficiency as well as FS monitoring recommendations.Cost-effectiveness was assessed and varies considerably by influent load and treatment effectiveness.Abstract. Filter strips (FSs) are edge-of-field conservation practices commonly implemented to reduce flux of sediment, nutrients, and other constituents from agricultural fields. While various aspects of FS effectiveness have been reviewed, this study provides a comprehensive summary of FS efficiency data for sediment, nutrients, pesticides, and pathogens as part of a special collection focused on agricultural conservation practices. This analysis also fills an important gap by assessing performance-based FS costs and cost-effectiveness. Data from 74 U.S. and international studies with 294 different treatments and 3,050 replications were compiled and analyzed. Results showed that runoff reduction tended to increase with increasing FS width up to about 15 m and that sediment reduction was significantly related to the ratio of FS area to drainage area and to FS width, with reduction tending to increase with increasing width up to about 20 m. Total P reduction was significantly related to FS soil saturated hydraulic conductivity, and total N reduction was significantly related to both saturated hydraulic conductivity and width. Total P and total N reductions both tended to increase with increasing FS width up to about 20 m and with increasing FS slope up to about 10%. Annualized FS costs were estimated to range from $314 to $865 ha-1 year-1 for different FS implementations. A major component of the cost is the opportunity cost of taking land out of production. Costs per unit of sediment retained by FS systems ranged from $10.3 to $18.6 Mg-1. A comprehensive assessment of FS cost-effectiveness (cost:benefit) is needed. Monitoring equipment, approaches, and recommendations are discussed, acknowledging the challenges of implementing field-scale FS studies. This information is critical to guide on-farm and programmatic FS decisions and to increase the scientific understanding of this commonly used agricultural conservation practice. Keywords: Best management practice, Buffer strip, Nonpoint-source pollution, Riparian buffer, Vegetated filter strip.

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Section: Discussionsupporting

confidence: 91%

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confidence: 99%

Review of Filter Strip Performance and Function for Improving Water Quality from Agricultural Lands

Douglas-Mankin¹,

Helmers²,

Harmel³

2021

Transactions of the ASABE

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“…Apart from width, other factors to be taken into account are ratio of source area to buffer area, soil texture and runoff intensity before making recommendations on vegetated buffer strip construction in agroecosystems (Prosser et al, 2020).…”

Section: Recommendations Before Implementing the Practicementioning

confidence: 99%

Recarbonizing global soils: A technical manual of recommended sustainable soil management

Rietra

Lesschen

Porre

2021

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Cover cropping (CC) can be applied worldwide, but there is not a cover crop that fits every farming situation and potential benefits vary with climate, soil type and plant species. In detail, CCs can better fit in humid and subhumid regions than in semiarid regions where precipitation is limited (Unger and Vigil, 1998). The possible competition of CCs for available soil water in semiarid regions can limit the adoption of the practice (Unger and Vigil, 1998;Nielsen et al., 2015). A different approach to agricultural management is required for arable and woody crops. Impact on soil organic carbon stocksThe C storage potential of CCs is quite variable at regional level and with land use, ranging from 0.27 to 1.03 tC/ha/yr in the examined meta-analyses (Table 1). A higher potential was found in woody crops in warm temperate dry climates (about 1.00 tC/ha/yr), and lower values in arable crops most for temperate and tropical climates (0.32-0.56 tC/ha/yr). C storage potential in arable systems was 0.71, 0.51 and 0.46 tC/ha/yr in tropical, temperate and arid climates respectively (Jian et al., 2020). Data from a literature review (Blanco-Canqui et al.

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“…It is, therefore, necessary to reduce the amount of this herbicide ending up in surface and ground waters. The most commonly used techniques to prevent and mitigate pesticide entry into aquatic systems include: agricultural runoff treatment through vegetated buffer zones (Prosser et al 2020), constructed wetlands (CWs) and planted ditches (Reichenberger et al 2007). The removal of pesticides in CWs is performed through natural (settling, adsorption), chemical (oxidation, reduction, hydrolysis, photolysis, ion exchange) and biological processes such as plant uptake, metabolism, microbial degradation (Imfeld et al 2009;Papaevangelou et al 2017;Gikas et al 2018a, b).…”

Section: Introductionmentioning

confidence: 99%

Fluometuron Removal from Agricultural Wastewater in Porous Media Filters

Gikas

Vryzas

Koshis

2021

Preprint

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In the present study, six gravity filters were constructed and evaluated for the treatment of agricultural wastewater contaminated with herbicide fluometuron. Two filter types in terms of feeding strategy (i.e., batch and continuous feeding strategies), three porous media (i.e., coarse gravel, coarse zeolite and fine zeolite) and three hydraulic residence times (i.e., 1 day, 2 days and 4 days) were evaluated to find the best design and operation parameter in fluometuron removal by adsorption on porous media. Batch experiments were also conducted and the experimental data were fitted to adsorption kinetic and isotherm models. Results showed that the experimental data fitted better to the pseudo-first order model and to the Freundlich model, and the highest fluometuron adsorption was recorded for fine zeolite. The results of filter operation indicated that the most important parameter affecting fluometuron removal is the hydraulic residence time.

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A review of the effectiveness of vegetated buffers to mitigate pesticide and nutrient transport into surface waters from agricultural areas

Cited by 67 publications

References 107 publications

Review of Filter Strip Performance and Function for Improving Water Quality from Agricultural Lands

Review of Filter Strip Performance and Function for Improving Water Quality from Agricultural Lands

Recarbonizing global soils: A technical manual of recommended sustainable soil management

Fluometuron Removal from Agricultural Wastewater in Porous Media Filters

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