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1. Assessing Agriculture Conservation Practice Impacts on Groundwater Levels at Watershed Scale

Author:
Xiaojing Ni; Prem B. Parajuli; Ying Ouyang
Source:
Water resources management 2020 v.34 no.4 pp. 1553-1566
ISSN:
0920-4741
Subject:
Soil and Water Assessment Tool model; best management practices; conservation practices; corn; crop rotation; groundwater; groundwater recharge; irrigation; planning; rice; soybeans; water shortages; water table; watersheds; Mississippi
Abstract:
... Over the last several decades, increased groundwater usage by agriculture with a consequence of groundwater resource depletion has motivated the discussion of sustainability of groundwater resource. In this study, to investigate the impacts of agricultural best management practices (BMPs) on groundwater level, two kinds of conservation practices and five scenarios of tail water recovery pond and c ...
DOI:
10.1007/s11269-020-02526-3

2. Impact of rainfall characteristics on the NO3 – N concentration in a tailwater recovery ditch

Author:
Juan D. Pérez-Gutiérrez; Joel O. Paz; Mary Love M. Tagert; Mohammad Sepehrifar
Source:
Agricultural water management 2020 v.233 pp. 106079
ISSN:
0378-3774
Subject:
agricultural land; autumn; best management practices; farms; nitrate nitrogen; rain; spring; surface water; watersheds; Mississippi
Abstract:
... Rainfall characteristics can be a major factor influencing the ability of best management practices to reduce nutrient loss from agricultural lands to receiving waterbodies. The goal of this study was to examine how rainfall characteristics impacted NO₃ – N concentrations in a tailwater recovery (TWR) ditch implemented at a farm within the Porter Bayou watershed in Mississippi, USA. We used a meth ...
DOI:
10.1016/j.agwat.2020.106079
CHORUS:
10.1016/j.agwat.2020.106079

3. Analyzing the Impact of Impervious Area Disconnection on Urban Runoff Control Using an Analytical Probabilistic Model

Author:
Jun Wang; Shouhong Zhang; Yiping Guo
Source:
Water resources management 2019 v.33 no.5 pp. 1753-1768
ISSN:
0920-4741
Subject:
best management practices; drainage; drainage systems; land use; model validation; planning; probabilistic models; soil; stormwater management; urban runoff; Mississippi; Montana
Abstract:
... The rapid spreading of impervious areas has been a growing concern in urban stormwater management. Runoff originating from impervious areas directly connected to or disconnected from drainage systems contributes differently to the outflow at the downstream outlet. Extensive implementations of best management practices (BMPs) and low impact development (LID) practices necessitate more accurate quan ...
DOI:
10.1007/s11269-019-02211-0

4. Diatom Assemblage Changes in Agricultural Alluvial Plain Streams and Application for Nutrient Management

Author:
Matthew B. Hicks; Jason M. Taylor
Source:
Journal of environmental quality 2019 v.48 no.1 pp. 83-92
ISSN:
0047-2425
Subject:
Bacillariophyceae; algae; alluvial plains; best management practices; dissolved oxygen; hydrology; indicator species; land management; metabolism; nutrient management; nutrients; ordination techniques; phosphorus; species diversity; streams; total phosphorus; Mississippi
Abstract:
... In large, alluvial floodplains dominated by agriculture, small streams have the potential to experience nutrient enrichment affecting algal assemblage structure and metabolism. Nutrient enrichment is largely driven by application of nutrients and altered hydrologic regimes. To inform stressor–response‐based nutrient reduction goals for agricultural alluvial plain streams, diatom assemblages were s ...
DOI:
10.2134/jeq2018.05.0196

5. Economic costs of using tailwater recovery systems for maintaining water quality and irrigation

Author:
A.R. Omer; J.E. Henderson; L. Falconer; R. Krӧger; P.J. Allen
Source:
Journal of environmental management 2019 v.235 pp. 186-193
ISSN:
0301-4797
Subject:
Glycine max; Oryza sativa; Zea mays; agricultural land; alluvial plains; best management practices; conservation practices; corn; crops; desalination; economic costs; groundwater; income; irrigation; irrigation water; nutrients; rice; soybeans; surface water; water quality; water use efficiency; Mississippi; Mississippi River
Abstract:
... Best management practices (BMPs) are conservation efforts implemented to address environmental challenges associated with agricultural production. One such BMP, a tailwater recovery (TWR) system, has a dual purpose aimed at mitigating solids and nutrient losses from agricultural landscapes and creating an additional surface water source for irrigation. This study analyzes the costs of using five T ...
DOI:
10.1016/j.jenvman.2019.01.038

6. Evaluation of selected watershed characteristics to identify best management practices to reduce Nebraskan nitrate loads from Nebraska to the Mississippi/Atchafalaya River basin

Author:
Aaron R. Mittelstet; Troy E. Gilmore; Tiffany Messer; Daran R. Rudnick; Thomas Heatherly
Source:
Agriculture, ecosystems & environment 2019 v.277 pp. 1-10
ISSN:
0167-8809
Subject:
base flow; best management practices; bioretention areas; credit; cropland; data collection; fertilizer application; forests; irrigation water; land use; landscapes; mineralization; nitrate nitrogen; nitrates; nitrogen; nitrogen fertilizers; organic matter; pavements; pollution load; principal component analysis; riparian buffers; rivers; rowcrops; runoff; soil properties; streams; wastewater treatment; water quality; watershed management; watersheds; wetlands; Gulf of Mexico; Mississippi; Nebraska
Abstract:
... Nebraskan streams contribute excess nitrogen to the Mississippi/Atchafalaya River Basin and Gulf of Mexico, which results in major water-quality impairments. Reducing the amount of nitrogen (N) exported in these streams requires the use of best management practices (BMPs) within the landscape. However, proper BMP utilization has rarely been statistically connected to potential controls of N export ...
DOI:
10.1016/j.agee.2019.02.018

7. Quantification and simulation of nutrient sources at watershed scale in Mississippi

Author:
Avay Risal; Prem B. Parajuli
Source:
Science of the total environment 2019 v.670 pp. 633-643
ISSN:
0048-9697
Subject:
Soil and Water Assessment Tool model; United States Geological Survey; animal wastes; best management practices; crop rotation; cropland; nitrogen; phosphorus; planning; rivers; sediments; soil; soybeans; stream flow; total nitrogen; total phosphorus; watersheds; Mississippi
Abstract:
... Excessive quantity of nutrient produced from various point and non-point source deteriorates the quality of water. For reduction of nutrient from a watershed, it is needed to be quantified followed by implementation of appropriate management practices. In this study, major sources of nutrient in Big Sunflower River Watershed (BSRW) were identified, quantified, and Soil and Water Assessment Tool (S ...
DOI:
10.1016/j.scitotenv.2019.03.233
CHORUS:
10.1016/j.scitotenv.2019.03.233

8. Evaluating the nutrient reduction and water supply benefits of an on-farm water storage (OFWS) system in East Mississippi

Author:
Ritesh Karki; Mary Love M. Tagert; Joel O. Paz
Source:
Agriculture, ecosystems & environment 2018 v.265 pp. 476-487
ISSN:
0167-8809
Subject:
agricultural land; agricultural runoff; ammonia; arid lands; best management practices; corn; cost effectiveness; crop yield; farms; fertilizer application; groundwater; growing season; irrigation systems; irrigation water; monitoring; nitrates; nitrogen; nutrient content; phosphorus; pollution load; soybeans; stormwater; water storage; water supply; Mississippi
Abstract:
... An On-Farm Water Storage (OFWS) system is a structural Best Management Practice (BMP) that prevents downstream nutrient loading by capturing irrigation tailwater and storm runoff from agricultural fields. OFWS systems, as a result, also act as a source of water for irrigation with the potential to recycle nutrients captured in runoff events. A monitoring study was conducted for an OFWS system loca ...
DOI:
10.1016/j.agee.2018.06.024

9. Application of AnnAGNPS to model an agricultural watershed in East-Central Mississippi for the evaluation of an on-farm water storage (OFWS) system

Author:
Ritesh Karki; Mary Love M. Tagert; Joel O. Paz; Ronald L. Bingner
Source:
Agricultural water management 2017 v.192 pp. 103-114
ISSN:
0378-3774
Subject:
AGNPS model; agricultural watersheds; best management practices; irrigation; irrigation water; monitoring; nitrogen; nitrogen content; nutrients; pesticides; phosphorus; pollutants; pollution load; runoff; sediment contamination; sediment yield; sediments; Mississippi
Abstract:
... Annualized Agricultural Non-Point Source Pollutant Model (AnnAGNPS) is a watershed-scale, continuous simulation, physical model that has been widely used to simulate runoff, nutrients, sediment, and pesticides in different watersheds. This study applied AnnAGNPS to simulate runoff, nutrients (total Nitrogen and total Phosphorus), and sediment from an agricultural watershed of 30.3ha in East-Centra ...
Handle:
10113/5734393
DOI:
10.1016/j.agwat.2017.07.002

10. Application of Polyacrylamide (PAM) through Lay‐Flat Polyethylene Tubing: Effects on Infiltration, Erosion, N and P Transport, and Corn Yield

Author:
J. P. McNeal; L. J. Krutz; M. A. Locke; M. M. Kenty; R. L. Atwill; D. M. Pickelmann; C. J. Bryant; C. W. Wood; B. R. Golden; M. S. Cox
Source:
Journal of environmental quality 2017 v.46 no.4 pp. 855-861
ISSN:
0047-2425
Subject:
agrochemicals; best management practices; corn; environmental fate; erosion control; experimental design; furrows; grain yield; irrigation; nitrogen; phosphorus; pollution control; polyacrylamide; polyethylene; production technology; runoff; sediment transport; silt loam soils; silty clay loam soils; soil amendments; soil texture; Mississippi
Abstract:
... Polyacrylamides (PAMs), when applied as a soil amendment, purportedly improve soil infiltration, decrease erosion, and reduce offsite agrochemical transport. The effect of PAM on infiltration, erosion, agrochemical transport, and crop yield when applied in furrow to mid‐southern US production systems has not been evaluated. The objective of this study was to assess PAM effects on infiltration, ero ...
Handle:
10113/5865663
DOI:
10.2134/jeq2016.08.0299

11. Southern Phosphorus Indices, Water Quality Data, and Modeling (APEX, APLE, and TBET) Results: A Comparison

Author:
Deanna Osmond; Carl Bolster; Andrew Sharpley; Miguel Cabrera; Sam Feagley; Adam Forsberg; Charles Mitchell; Rao Mylavarapu; J. Larry Oldham; David E. Radcliffe; John J. Ramirez‐Avila; Dan E. Storm; Forbes Walker; Hailin Zhang
Source:
Journal of environmental quality 2017 v.46 no.6 pp. 1296-1305
ISSN:
0047-2425
Subject:
Natural Resources Conservation Service; Universal Soil Loss Equation; agricultural policy; best management practices; data collection; environmental assessment; hydrologic models; model validation; phosphorus; pollution load; prediction; risk; risk assessment; water quality; Alabama; Arkansas; Florida; Georgia; Kentucky; Louisiana; Mississippi; North Carolina; Oklahoma; South Carolina; Tennessee; Texas
Abstract:
... Phosphorus (P) Indices in the southern United States frequently produce different recommendations for similar conditions. We compared risk ratings from 12 southern states (Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, Oklahoma, South Carolina, Tennessee, and Texas) using data collected from benchmark sites in the South (Arkansas, Georgia, Mississippi, North ...
Handle:
10113/5763101
DOI:
10.2134/jeq2016.05.0200

12. Evaluation of the Best Management Practices at the Watershed Scale to Attenuate Peak Streamflow Under Climate Change Scenarios

Author:
Abdullah O. Dakhlalla; Prem B. Parajuli
Source:
Water resources management 2016 v.30 no.3 pp. 963-982
ISSN:
0920-4741
Subject:
Soil and Water Assessment Tool model; algorithms; best management practices; carbon dioxide; climate; climate change; ponds; rain; rivers; stream flow; temperature; terraces; uncertainty; vegetated waterways; watersheds; Mississippi
Abstract:
... The objectives of this study are (1) to develop a calibrated and validated model for streamflow using the Soil and Water Assessment Tool (SWAT) for the Lower Pearl River Watershed (LPRW) located in southern Mississippi, and (2) to assess the performance of parallel terraces, grassed waterways, and detention pond BMPs at attenuating peakflows at the watershed-scale under changes in precipitation, t ...
DOI:
10.1007/s11269-015-1202-9

13. Nitrate Removal from Agricultural Drainage Ditch Sediments with Amendments of Organic Carbon: Potential for an Innovative Best Management Practice

Author:
Derek R. Faust; Robert Kröger; Leandro E. Miranda; Scott A. Rush
Source:
Water, air, and soil pollution 2016 v.227 no.10 pp. 378
ISSN:
0049-6979
Subject:
sediments; fertilizer application; nitrate nitrogen; alluvial plains; best management practices; drainage channels; carbon nitrogen ratio; dissolved organic carbon; particulate organic carbon; nutrients; nitrates; Mississippi River; Mississippi
Abstract:
... Agricultural fertilizer applications have resulted in loading of nutrients to agricultural drainage ditches in the Lower Mississippi Alluvial Valley. The purpose of this study was to determine effects of dissolved organic carbon (DOC) and particulate organic carbon (POC) amendments on nitrate-nitrogen (NO₃ ⁻-N) removal from overlying water, pore water, and sediment of an agricultural drainage ditc ...
DOI:
10.1007/s11270-016-3075-9

14. Investigation of denitrifying microbial communities within an agricultural drainage system fitted with low-grade weirs

Author:
Beth H. Baker; Robert Kröger; John P. Brooks; Renotta K. Smith; Joby M. Prince Czarnecki
Source:
Water research 2015 v.87 pp. 193-201
ISSN:
0043-1354
Subject:
adaptive management; alluvial plains; analysis of variance; best management practices; carbon; correlation; denitrification; detection limit; drainage channels; genes; landscapes; microbial communities; nitrogen; quantitative polymerase chain reaction; remediation; ribosomal RNA; runoff; soil sampling; soil water; watersheds; weirs; wetlands; Mississippi; Mississippi River
Abstract:
... Enhancing wetland characteristics in agricultural drainage ditches with the use of low-grade weirs, has been identified as a best management practice (BMP) to mitigate nutrient runoff from agriculture landscapes. A major objective of utilizing low-grade weirs as a BMP includes fostering environments suitable for the biogeochemical removal of nitrogen via denitrification. This study examined the sp ...
DOI:
10.1016/j.watres.2015.09.028

15. Benchmark study on glyphosate‐resistant crop systems in the United States. Economics of herbicide resistance management practices in a 5 year field‐scale study

Author:
C Blake Edwards; David L Jordan; Michael DK Owen; Philip M Dixon; Bryan G Young; Robert G Wilson; Steven C Weller; David R Shaw
Source:
Pest management science 2014 v.70 no.12 pp. 1924-1929
ISSN:
1526-498X
Subject:
best management practices; crop yield; crops; glyphosate; growers; herbicide resistance; resistance management; tillage; weed control; weeds; Illinois; Indiana; Iowa; Mississippi; Nebraska; North Carolina
Abstract:
... BACKGROUND: Since the introduction of glyphosate‐resistant (GR) crops, growers have often relied on glyphosate‐only weed control programs. As a result, multiple weeds have evolved resistance to glyphosate. A 5 year study including 156 growers from Illinois, Iowa, Indiana, Nebraska, North Carolina and Mississippi in the United States was conducted to compare crop yields and net returns between grow ...
DOI:
10.1002/ps.3759
PubMed:
24664628

16. Comprehensive Framework for Ecological Assessment of the Migratory Bird Habitat Initiative Following the Deepwater Horizon Oil Spill

Author:
Davis J. Brian; Webb Elisabeth; Kaminski Richard M.; Barbour Philip J.; Vilella Francisco J.
Source:
Southeastern naturalist 2014 v.13 no.4 pp. G66
ISSN:
1528-7092
Subject:
Anseriformes; Charadriiformes; Farm Bill; Natural Resources Conservation Service; Oryza sativa; agricultural land; alluvial plains; best management practices; coasts; conservation programs; economic incentives; habitats; landowners; managers; migratory birds; oil spills; prairies; private lands; public policy; scientists; students; universities; waterfowl; wetlands; Alabama; Gulf of Mexico; Louisiana; Mississippi; Mississippi River; Texas
Abstract:
... Following the Deepwater Horizon oil spill in the Gulf of Mexico in April 2010, the USDA Natural Resources Conservation Service (NRCS) established and funded the Migratory Bird Habitat Initiative (MBHI), with the goal of improving and increasing wetland habitats on private lands to benefit wintering and migrating waterbirds displaced from oil-impacted coastal wetlands. The NRCS and conservation par ...
DOI:
10.1656/058.013.0419

17. Denitrification potential of low-grade weirs and agricultural drainage ditch sediments in the Lower Mississippi Alluvial Valley

Author:
Robert Kröger; J. Thad Scott; Joby M. Prince Czarnecki
Source:
Ecological engineering 2014 v.73 pp. 168-175
ISSN:
0925-8574
Subject:
agricultural land; alluvial plains; best management practices; denitrification; drainage; drainage channels; nitrogen; nitrogen cycle; sediments; spring; summer; weirs; winter; Mississippi; Mississippi River
Abstract:
... To enhance nitrogen transformations and increase agricultural nitrogen removal, best management practices (BMPs) need to focus on identifying and improving mechanistic removal pathways. Best management practices can be implemented which favor denitrification, the single most effective removal pathway in the nitrogen cycle. Low-grade weirs in agricultural drainage ditches provide conditions conduci ...
DOI:
10.1016/j.ecoleng.2014.09.019

18. Effectiveness of low-grade weirs for nutrient removal in an agricultural landscape in the Lower Mississippi Alluvial Valley

Author:
K.A. Littlejohn; B.H. Poganski; R. Kröger; J.J. Ramirez-Avila
Source:
Agricultural water management 2014 v.131 pp. 79-86
ISSN:
0378-3774
Subject:
ammonia; best management practices; drainage channels; landscapes; nitrogen; nutrient content; pollution load; rivers; runoff; surface drainage; terraces; water quality; weirs; Mississippi
Abstract:
... New best management practices (BMPs) are needed to provide enhanced water quality improvements to downstream aquatic systems from agricultural landscapes. In Mississippi, a simple process of controlled surface drainage is being advocated in drainage ditches within agricultural landscapes. Low-grade weirs (hereafter called “weirs”) are low, check-dam structures where water is held in drainage ditch ...
DOI:
10.1016/j.agwat.2013.09.001

19. Evaluating Spatial and Temporal Variability of Fecal Coliform Bacteria Loads at the Pelahatchie Watershed in Mississippi

Author:
Priyantha Jayakody; Prem B. Parajuli; John P. Brooks
Source:
Human and ecological risk assessment 2014 v.20 no.4 pp. 1023-1041
ISSN:
1549-7860
Subject:
water pollution; coliform bacteria; bacterial contamination; water quality; poultry manure; best management practices; methodology; watersheds; seasonal variation; Soil and Water Assessment Tool model; septic systems; surface water; pollution load; Mississippi
Abstract:
... Bacterial contaminations of surface waters are an increasing concern for scientists and public health agencies because pathogenic bacteria can cause adverse effects on human health. This research was performed to investigate spatial and seasonal variability of fecal coliform bacteria (FCB) concentrations in the Pelahatchie watershed (527 km ²) in Mississippi, USA. Livestock manure, poultry litter, ...
Handle:
10113/58694
DOI:
10.1080/10807039.2013.784155

20. Impacts of climate variability on water quality with best management practices in sub‐tropical climate of USA

Author:
Priyantha Jayakody; Prem B. Parajuli; Thomas P. Cathcart
Source:
Hydrological processes 2014 v.28 no.23 pp. 5776-5790
ISSN:
0885-6087
Subject:
Soil and Water Assessment Tool model; best management practices; climate; climate change; climate models; control methods; emissions; filter strips; nitrogen; nutrient transport; phosphorus; pollution control; riparian buffers; rivers; sediments; streams; surveys; uncertainty; water quality; watersheds; weather; Mississippi
Abstract:
... Efficiency of non‐point source pollution control methods may be altered in future climate. This study investigated climate change impacts on sediment and nutrient transport, and efficiency of best management practices (BMPs), in the Upper Pearl River Watershed (UPRW) in Mississippi. The Soil and Water Assessment Tool was applied to the UPRW using observed flow, sediment and nutrient data. Water qu ...
DOI:
10.1002/hyp.10088