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Articles 1 - 30 of 74
Full-Text Articles in Soil Science
Soil Nitrate Prediction Using Ftir-Atr, Vis-Nir, And Raman Spectroscopy, Sabiha Ferdous
Soil Nitrate Prediction Using Ftir-Atr, Vis-Nir, And Raman Spectroscopy, Sabiha Ferdous
Department of Agricultural and Biological Systems Engineering: Dissertations, Theses, and Student Research
Fourier transform infrared spectroscopy (FTIR) combined with Attenuated total reflectance (ATR), Visible-Near Infrared spectroscopy (Vis-NIR), and Raman spectroscopy (RS) are non-destructive techniques for rapid determination of nitrogen compounds in soil. Leveraging FTIR-ATR and Vis-NIR spectra using partial least squares regression (PLSR) modeling, the study aims to predict soil nitrate content and explored the feasibility of Raman spectroscopy to detect nitrate (NO3-), nitrite (NO2-), and ammonium (NH4+) in soil. Soil samples were collected from four different fields, dried, sieved (2mm), and then used for collecting spectra (FTIR-ATR and Vis-NIR). Laboratory analysis was …
Complete Genome Sequences Of Chop, Delrio, And Grandslam, Three Gordonia Phages Isolated From Soil In Central Arkansas, Heidi N. Mathes, Elijah I. Christenson, John H. Crum, Emme M. Edmondson, Kassidy E. Gray, Luke W. Lawson, Lauren E. Lee, Michael P. Lee, Jackson A. Lipscomb, Morgan E. Masengale, Hannah G. Matthews, Charles M. Mcclain 4th, Tuesday N. Melton, Trace H. Morrow, Alexis M. Perry, David R. Rainwater, Grace E. Renois, Maryann F. Rettig, Duncan C. Troup, Allie J. Wilson, Nathan Reyna, Ruth Plymale
Complete Genome Sequences Of Chop, Delrio, And Grandslam, Three Gordonia Phages Isolated From Soil In Central Arkansas, Heidi N. Mathes, Elijah I. Christenson, John H. Crum, Emme M. Edmondson, Kassidy E. Gray, Luke W. Lawson, Lauren E. Lee, Michael P. Lee, Jackson A. Lipscomb, Morgan E. Masengale, Hannah G. Matthews, Charles M. Mcclain 4th, Tuesday N. Melton, Trace H. Morrow, Alexis M. Perry, David R. Rainwater, Grace E. Renois, Maryann F. Rettig, Duncan C. Troup, Allie J. Wilson, Nathan Reyna, Ruth Plymale
Articles
Chop, DelRio, and GrandSlam are phage with a Siphoviridae morphotype isolated from soil in Arkansas using the host Gordonia terrae 3612. All three are temperate, and their genomes share at least 96% nucleotide identity. These phage are assigned to cluster DI based on gene content similarity to other sequenced actinobacteriophage.
Biochar: Properties And Potential Benefits For Agricultural Soil In Rwanda, Andromede Uwase
Biochar: Properties And Potential Benefits For Agricultural Soil In Rwanda, Andromede Uwase
Honors Theses
Physical and chemical soil degradation is becoming a major challenge for agricultural productivity in Rwanda, which is the most important part of the country’s economy. The wide spreading soil degradation in Rwanda is mainly a result of naturally poor soils coupled with unsustainable soil management leading to, for example, accelerated soil erosion, acidification, nutrient loss, compaction, and to decreasing yields. Biochar, as an end product of pyrolysis of biomass in the absence of oxygen, has been proposed as a soil amendment in remediation strategies because of its positive effects on soil productivity relevant parameters such as soil pH, structure, nutrient …
Wayne E. Sabbe Arkansas Soil Fertility Studies 2019, Nathan A. Slaton
Wayne E. Sabbe Arkansas Soil Fertility Studies 2019, Nathan A. Slaton
Arkansas Agricultural Experiment Station Research Series
Rapid technological changes in crop management and production require that the research efforts be presented in an expeditious manner. The contributions of soil fertility and fertilizers are major production factors in all Arkansas crops. The studies described within will allow producers to compare their practices with the university’s research efforts. Additionally, soil-test data and fertilizer sales are presented to allow comparisons among years, crops, and other areas within Arkansas.
Soil Net Nitrogen Mineralisation Across Global Grasslands, A. C. Risch, S. Zimmerman, R. Ochoa-Hueso, M. Schütz, B. Frey, J. L. Firn, P. A. Fay, F. Hagedorn, E. T. Borer, E. W. Seabloom, W. S. Harpole, J. M. H. Knops, Rebecca L. Mcculley, A. A. D. Broadbent, C. J. Stevens, M. L. Silveria, P. B. Adler, S. Báez, L. A. Biederman, J. M. Blair
Soil Net Nitrogen Mineralisation Across Global Grasslands, A. C. Risch, S. Zimmerman, R. Ochoa-Hueso, M. Schütz, B. Frey, J. L. Firn, P. A. Fay, F. Hagedorn, E. T. Borer, E. W. Seabloom, W. S. Harpole, J. M. H. Knops, Rebecca L. Mcculley, A. A. D. Broadbent, C. J. Stevens, M. L. Silveria, P. B. Adler, S. Báez, L. A. Biederman, J. M. Blair
Plant and Soil Sciences Faculty Publications
Soil nitrogen mineralisation (Nmin), the conversion of organic into inorganic N, is important for productivity and nutrient cycling. The balance between mineralisation and immobilisation (net Nmin) varies with soil properties and climate. However, because most global-scale assessments of net Nmin are laboratory-based, its regulation under field-conditions and implications for real-world soil functioning remain uncertain. Here, we explore the drivers of realised (field) and potential (laboratory) soil net Nmin across 30 grasslands worldwide. We find that realised Nmin is largely explained by temperature of the wettest quarter, microbial biomass, clay content and bulk density. …
Managing Nitrous Oxide Emissions In Agricultural Fields, Mark S. Coyne, Wei Ren
Managing Nitrous Oxide Emissions In Agricultural Fields, Mark S. Coyne, Wei Ren
Plant and Soil Sciences Research Report
Agriculture is a major contributor to atmospheric nitrous oxide (N2O) (Smith et al., 2014; Tian et al., 2015). Unfortunately, nitrous oxide destroys stratospheric ozone (O3) which protects us from ultraviolet radiation (Cicerone, 1989) and it increases ground level O3, whichis an air pollutant threatening human health and food production. Nitrous oxide is also 298 times more potent than an equivalent amount of carbon dioxide (CO2) in terms of trapping and absorbing reflected solar radiation (Forster et al., 2007). Basic chemistry and physics assure us that increased levels of N2O in the …
Identifying And Addressing Soil Property Issues Affecting Roadside Vegetation Establishment, Xu Li, Martha Mamo, Walter H. Schacht, Tala Awada, Humberto Blanco-Canqui
Identifying And Addressing Soil Property Issues Affecting Roadside Vegetation Establishment, Xu Li, Martha Mamo, Walter H. Schacht, Tala Awada, Humberto Blanco-Canqui
Nebraska Department of Transportation: Research Reports
Attaining adequate vegetation cover along highways is important for NDOR to comply with EPA’s stormwater regulations. However, low plant cover is a common problem on shoulders (first 16 feet off the pavement) of many highways in Nebraska. The ultimate goal of this study is to identify cost-effective engineering solutions that assure adequate seed beds (i.e., soil conditions) for establishment of selected seeding mixtures. The objectives of this study are to (1) characterize the soil properties along roadsides where vegetation stands have not developed well, and (2) verify the effects of select soil property parameters on plant germination and establishment.
Sampling …
Rapid Response Tools And Datasets For Post-Fire Modeling: Linking Earth Observations And Process-Based Hydrological Models To Support Post-Fire Remediation, Mary Ellen Miller, Michael Billmire, William J. Elliot, K. A. Endsley, P. R. Robichaud
Rapid Response Tools And Datasets For Post-Fire Modeling: Linking Earth Observations And Process-Based Hydrological Models To Support Post-Fire Remediation, Mary Ellen Miller, Michael Billmire, William J. Elliot, K. A. Endsley, P. R. Robichaud
Michigan Tech Research Institute Publications
Preparation is key to utilizing Earth Observations and process-based models to support post-wildfire mitigation. Post-fire flooding and erosion can pose a serious threat to life, property and municipal water supplies. Increased runoff and sediment delivery due to the loss of surface cover and fire-induced changes in soil properties are of great concern. Remediation plans and treatments must be developed and implemented before the first major storms in order to be effective. One of the primary sources of information for making remediation decisions is a soil burn severity map derived from Earth Observation data (typically Landsat) that reflects fire induced changes …
Changes Of Soil Biogeochemistry Under Native And Exotic Plants Species, Yujie Hua
Changes Of Soil Biogeochemistry Under Native And Exotic Plants Species, Yujie Hua
FIU Electronic Theses and Dissertations
Invasive plant species are major threats to the biodiversity and ecosystem stability. The purpose of this study is to understand the impacts of invasive plants on soil nutrient cycling and ecological functions. Soil samples were collected from rhizosphere and non-rhizosphere of both native and exotic plants from three genera, Lantana, Ficus and Schinus, at Tree Tops Park in South Florida, USA. Experimental results showed that the cultivable bacterial population in the soil under Brazilian pepper (invasive Schinus) was approximately ten times greater than all other plants. Also, Brazilian pepper lived under conditions of significantly lower available phosphorus …
Quantitative Field Testing Heterodera Glycines From Metagenomic Dna Samples Isolated Directly From Soil Under Agronomic Production., Yan Li, Gary W. Lawrence, Shien Lu, Clarissa Balbalian, Vincent P. Klink
Quantitative Field Testing Heterodera Glycines From Metagenomic Dna Samples Isolated Directly From Soil Under Agronomic Production., Yan Li, Gary W. Lawrence, Shien Lu, Clarissa Balbalian, Vincent P. Klink
College of Agriculture & Life Sciences Publications and Scholarship
A quantitative PCR procedure targeting the Heterodera glycines ortholog of the Caenorhabditis elegans uncoordinated-78 gene was developed. The procedure estimated the quantity of H. glycines from metagenomic DNA samples isolated directly from field soil under agronomic production. The estimation of H. glycines quantity was determined in soil samples having other soil dwelling plant parasitic nematodes including Hoplolaimus, predatory nematodes including Mononchus, free-living nematodes and biomass. The methodology provides a framework for molecular diagnostics of nematodes from metagenomic DNA isolated directly from field soil.
Trace Element Soil Contamination At Urban Community Gardens In Washington, Dc, Adam J. Long
Trace Element Soil Contamination At Urban Community Gardens In Washington, Dc, Adam J. Long
Environmental Analysis Program Mellon Student Summer Research Reports
In recent years, urban gardening has become a popular form of environmental, food, and social justice. Urban community gardens such as those in Washington, DC can reduce the environmental footprint of food production, provide access to healthy produce in “food deserts,” and provide other social, educational, and even financial benefits. However, the rising popularity of urban gardening has put many people in close contact with urban soils, which are likely to contain various contaminants due to concentrated human activity over extended periods of time. This study investigates heavy metal soil contaminants found in community gardens located in Washington, DC. 45 …
A Report On The Gascoyne River Catchment Following The 2010/11 Flood Events, P A. Waddell, P W.E Thomas, Paul A. Findlater
A Report On The Gascoyne River Catchment Following The 2010/11 Flood Events, P A. Waddell, P W.E Thomas, Paul A. Findlater
Resource management technical reports
In December 2010 an extreme tropical storm resulted in widespread flooding at Carnarvon and across the catchment. Another two flood events followed during the summer of 2010–11
The rationale for this assessment is to provide illustrative evidence on the role that perennial vegetation groundcover management has in influencing the risk of flooding and soil loss in the catchment. It may be possible that the impact of flooding associated with extreme storm events can be reduced. This report focuses on catchment condition and is not a review of the pastoral industry’s economic viability.
Esperance Area Acid Sulfate Soil Hazard Mapping, Paul Galloway, Simon Clarendon
Esperance Area Acid Sulfate Soil Hazard Mapping, Paul Galloway, Simon Clarendon
Resource management technical reports
This project created a regional scale (1:100 000) acid sulfate soil (ASS) hazard map for the Lake Warden and Esperance town areas, using a combination of existing soil-landscape mapping information and elevation data, supported by field observations and laboratory data from 18 soil cores and 29 additional borelogs with descriptive information useful for identifying ASS and potential ASS materials. All data gathered during this project used common standards and protocols developed in Australia for identifying and mapping ASS materials. The project extends the mapping for acid sulfate soil in the region, complementing existing maps compiled for other parts of the …
Tambellup-Borden Land Resources Survey, Angela Stuart-Street, Rohan Marold
Tambellup-Borden Land Resources Survey, Angela Stuart-Street, Rohan Marold
Land resources series
No abstract provided.
Wilson Inlet Catchment Appraisal 2007, Ron Master
Wilson Inlet Catchment Appraisal 2007, Ron Master
Resource management technical reports
No abstract provided.
Variations In Stomatal Traits Of 14 Bornean Tree Species Growing On Soils With Different Moisture Contents In Lambir Hills National Park, Whitney Logan Cannon
Variations In Stomatal Traits Of 14 Bornean Tree Species Growing On Soils With Different Moisture Contents In Lambir Hills National Park, Whitney Logan Cannon
Department of Environmental Studies: Undergraduate Student Theses
The goal of this study was to look at variations in stomatal traits of tree species on soils with different moisture contents and fertility at Lambir Hills National Park. Stomates are important structures on the surface of leaves that mediate conduction of moisture and gassesin and out of the leaf. If stomatalt raits are important for regulation, then there should be variation in stomatal traits in regards to their soil specialization. The 14 Borneant ree speciess ampledi ncluded6 sandyl oam specialists6, clay specialistsa nd 2 generalistsfo und growing with equald istributionso n both sandyl oam and clay. Confocal microscopy was …
Oyster Harbour Catchment Appraisal 2007, Ron Master, South Coast Agricultural Rca Team
Oyster Harbour Catchment Appraisal 2007, Ron Master, South Coast Agricultural Rca Team
Resource management technical reports
No abstract provided.
Lead Concentration Of Soils In Sorby Hills Area Of Proposed M2 Irrigation Area, East Kimberley, Edward (Ted) Arnold Griffin, Noel R. Schoknecht, Ross Brennan, Jane Speijers, Dave Allen, Mike Freeman
Lead Concentration Of Soils In Sorby Hills Area Of Proposed M2 Irrigation Area, East Kimberley, Edward (Ted) Arnold Griffin, Noel R. Schoknecht, Ross Brennan, Jane Speijers, Dave Allen, Mike Freeman
Resource management technical reports
No abstract provided.
Soil Survey Of The Bettink Dairy Farm, Riverway Road, Northcliffe, Peter J. Tille, Tilwin Westrup
Soil Survey Of The Bettink Dairy Farm, Riverway Road, Northcliffe, Peter J. Tille, Tilwin Westrup
Resource management technical reports
This soil survey of the Bettink dairy farm in Northcliffe, Western Australia aimed to: provide detailed soil descriptions to add to information associated with the environment in which the dairy industry in Western Australia is located; collect soil samples at predetermined standard depths from documented farm locations for nutrient analysis; map soils with similar characteristics based on description and analysis.
Boyup Brook - Upper Warren Area : Catchment Appraisal 2007/ Prepared By The South West Arm Region Appraisal Team., Henry Brockman
Boyup Brook - Upper Warren Area : Catchment Appraisal 2007/ Prepared By The South West Arm Region Appraisal Team., Henry Brockman
Resource management technical reports
The aim of this Resource Management Technical Report is to assess the current extent of salinity and other natural resource degradation issues in the Boyup Brook - Upper Warren area and provide landholders with the best current management options to address natural resource management issues and enhance sustainable agricultural production.
Lockhart Catchment Appraisal 2005, Susan Murphy-White, P Leoni
Lockhart Catchment Appraisal 2005, Susan Murphy-White, P Leoni
Resource management technical reports
The Lockhart Catchment is the largest subcatchment of the Avon River Basin covering just over 3.56 million hectares, including 15 Shires running from Quairading and Bruce Rock in the north to Pingrup and Lake King in the south. This document aims to give the reader a starting point from which to further assess larger scale areas of the catchment for the purpose of planning to reverse and improve land degradation and sustainable farming in Western Australia.
Crop Updates 2006 - Farming Systems, Wayne Pluske, Bill Bowden, Craig Scanan, Stephen Davies, Chris Gazey, Peter Tozer, Derk Bakker, Louise Barton, David Gatter, Renee Buck, Daniel Murphy, Christoph Hinz, Bill Porter, Meredith Fairbanks, Nicolyn Short, Ian Foster, James Fisher, Doug Abrecht, Mario D'Antuono, Tracey M. Gianatti, Paul Carmody, Frank D'Amden, Rick Llewellyn, Michael Burton, Caroline Peek, Nadine Eva, Chris Carter, Megan Abrahams, Andrew Blake, Paul Blackwell, Sylvian Pottier, Michael Robertson, Greg Lyle, Lisa Brennan, Tony J. Vyn, Simon Teakle, Peter Norris, Jeff Russell, James Fisher, Roy Murray-Prior, Deb Pritchard, Mike Collins, Greg Hamilton, Rob Hetherington, Andrew Van Burgel, Cliff Spann
Crop Updates 2006 - Farming Systems, Wayne Pluske, Bill Bowden, Craig Scanan, Stephen Davies, Chris Gazey, Peter Tozer, Derk Bakker, Louise Barton, David Gatter, Renee Buck, Daniel Murphy, Christoph Hinz, Bill Porter, Meredith Fairbanks, Nicolyn Short, Ian Foster, James Fisher, Doug Abrecht, Mario D'Antuono, Tracey M. Gianatti, Paul Carmody, Frank D'Amden, Rick Llewellyn, Michael Burton, Caroline Peek, Nadine Eva, Chris Carter, Megan Abrahams, Andrew Blake, Paul Blackwell, Sylvian Pottier, Michael Robertson, Greg Lyle, Lisa Brennan, Tony J. Vyn, Simon Teakle, Peter Norris, Jeff Russell, James Fisher, Roy Murray-Prior, Deb Pritchard, Mike Collins, Greg Hamilton, Rob Hetherington, Andrew Van Burgel, Cliff Spann
Crop Updates
This session covers nineteen papers from different authors:
SOIL AND NUTRIENT MANAGEMENT
1. Inve$tigating fertili$er inve$tment, Wayne Pluske, Nutrient Management Systems
2. KASM, the potassium in Agricultural System Model,Bill Bowden and Craig Scanlan, DAWA Northam and UWA, School of Earth and Geographical Sciences
3. Long term productivity and economic benefits of subsurface acidity management from surface and subsurface liming, Stephen Davies, Chris Gazey and Peter Tozer, Department of Agriculture
4. Furrow and ridges to prevent waterlogging, Dr Derk Bakker, Department of Agriculture
5. Nitrous oxide emissions from a cropped soil in Western Australia, Louise Barton1 …
Ravensthorpe Area Catchment Appraisal 2006, A Massenbauer
Ravensthorpe Area Catchment Appraisal 2006, A Massenbauer
Resource management technical reports
The Ravensthorpe area covers 861, 000 hectares. Ninety percent of the study area covered in this report falls within the Ravensthorpe Shire, Western Australia. This document aims to give the reader a starting point from which to further assess larger scale areas of the catchment for the purpose of planning to reverse and improve land degradation and sustainable farming in Western Australia.
Soil-Landscapes Of Western Australia's Rangelands And Arid Interior, Peter J. Tille
Soil-Landscapes Of Western Australia's Rangelands And Arid Interior, Peter J. Tille
Resource management technical reports
This report documents the process of placing the most recent and detailed mapping of Western Australia's Rangelands and Arid interior that is available into a hierarchy of soil-landscape mapping units. It also provides descriptions of the soil-landscape regions, provinces and zones identified.
Major Eastern Wheatbelt Soils To Characterise Soil Moisture Availability, Jeffrey Jon Russell
Major Eastern Wheatbelt Soils To Characterise Soil Moisture Availability, Jeffrey Jon Russell
Resource management technical reports
In the Eastern Wheatbelt of Western Australia, there are seven major soil groups (acid sands, good soilplain soils, gravelly sands, duplex soils, medium-heavy soils, heavy non-friable soils and heavy friable soils. This report considers the ability of various soils to store or retain water in an attempt to partially determine the yield potential of crops.
Grass Patch-Salmon Gums Area : Catchment Appraisal 2005, Angela Alderman
Grass Patch-Salmon Gums Area : Catchment Appraisal 2005, Angela Alderman
Resource management technical reports
Rapid catchment appraisal to assess the condition of, and future risks to, agricultural and natural resources within the Grass Patch-Salmon Gums area in Western Australia.
Tonebridge-Frankland Area Land Resources Survey, Angela Stuart-Street, National Landcare Program (Australia), Natural Heritage Trust (Australia)
Tonebridge-Frankland Area Land Resources Survey, Angela Stuart-Street, National Landcare Program (Australia), Natural Heritage Trust (Australia)
Land resources series
This report presents the results from soil and landform mapping at a scale of 1:100,000 in the Tonebridge-Frankland area of Western Australia. One map representing the Tonebridge (2229) and Frankland (2329) map sheet areas, covering approximately 511,000 hectares accompanies the report on a CD-ROM. The Tonebridge-Frankland survey area covers major parts of the Warren-Tone and Frankland-Gordon River catchments. It also covers the upper catchments of the Kent and Deep Rivers, a small part of the Blackwood River catchment in the north western corner, as well as the Lake Muir-Unicup sub-catchments. The Tonebridge-Frankland survey falls within the Manjimup, Katanning and Albany …
Greenough Region Catchment Appraisal, Angela Stuart-Street, M Clarke
Greenough Region Catchment Appraisal, Angela Stuart-Street, M Clarke
Resource management technical reports
This report discusses a range of options for the Greenough region, which is comprised of eight shires including the Shires of Northampton, Chapman Valley, Mullewa, Greenough, Morawa, Irwin, Mingenew and Three Springs, and also the city of Geraldton. A range of options for reducing land degradation is discussed. Factors such as soil type, annual rainfall, enterprise mix and financial structure are also considered.
Upper Yilgarn Catchment Appraisal 2005, Keith Ohlsen, Susan Murphy-White
Upper Yilgarn Catchment Appraisal 2005, Keith Ohlsen, Susan Murphy-White
Resource management technical reports
Soil degradation on farmland reduces agricultural production and will often lead to damage to natural resources such as remnant vegetation and waterways, as well as to infrastructure, including roads and townsites. This report provides current information on the land degradation status for the Upper Yilgarn Catchment area in Western Australia by outlining: condition of the soils, hydrology, natural vegetation, farming systems and agricultural production and risks to natural resources.
Avon Hotham Catchment Appraisal 2005, S Sharafi, H Lauk, Paul Galloway
Avon Hotham Catchment Appraisal 2005, S Sharafi, H Lauk, Paul Galloway
Resource management technical reports
This report summarises current information on risks and impacts to agricultural production and natural resources within the Avon Hotham study area. It then identifies suitable options to manage such risks. The Avon Hotham study area is 1.9 million hectares and is made up of three sub catchments: West Avon, South Avon and Hotham, in south west Western Australia. Among the risks and impacts discussed are rainfall, surface drainage; major land degredation hazards are subsurface compaction and acidification.