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Volume 81 Issue 5, September-October 2017



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  • SOIL PHYSICS & HYDROLOGY up

    • Yakun Zhang, Asim Biswas, Wenjun Ji and Viacheslav I. Adamchuk
      Depth-Specific Prediction of Soil Properties In Situ using vis-NIR Spectroscopy
      doi:10.2136/sssaj2016.08.0253
      Soil Science Society of America Journal 2017 81:993-1004
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    • Mathieu Lamandé, Per Schjønning and Rodrigo Labouriau
      A Novel Method for Estimating Soil Precompression Stress from Uniaxial Confined Compression Tests
      Core Ideas
      • A new numerical method could detect the point of maximum curvature in the stress–strain relationship.
      • The precompression stress identified by the new method correlated with the maximum stress the soil had experienced prior to the compression tests.
      • The combination of soil water potential and bulk density had a larger influence on precompression stress than soil texture and soil structure alone.
      doi:10.2136/sssaj2016.09.0274
      Soil Science Society of America Journal 2017 81:1005-1013
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      [ Supplement 1 ]
    • Gülay Karahan and Sabit Erşahin
      Relating Macropore Flow to Soil Parametric and Morphological Variables
      Core Ideas
      • A new parameter, “slope of macropore flow (s)”, was introduced
      • The parameter s allowed the identification of soil variables controlling macropore flow
      • Soil clay content was the key parameter controlling macropore flow
      • The parameter s may be used as a soil physical indicator in environmental studies
      doi:10.2136/sssaj2016.10.0327
      Soil Science Society of America Journal 2017 81:1014-1024
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    • Jason P. Ackerson, Kevin J. McInnes, Cristine L. S. Morgan and Mark E. Everett
      Measuring Crack Porosity using Three-Dimensional Electrical Resistivity Tomography
      Core Ideas
      • Desiccation cracks in Vertisols and shrink-swell soils greatly alter soil hydrology
      • Electrical Resistivity Tomography (ERT) may be used to measure crack porosity
      • ERT images were measured on a cracked Vertisol
      • Crack porosity was measured directly by filling cracks with cement
      • ERT images were well correlated with measurements of crack porosity
      doi:10.2136/sssaj2016.10.0353
      Soil Science Society of America Journal 2017 81:1025-1035
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    • Z. Fred Zhang
      Should the Standard Count Be Excluded from Neutron Probe Calibration?
      Core Ideas
      • Traditional count-ratio-based neutron probe calibration introduces unnecessary error.
      • Count-based calibration eliminates this error in water content measurement.
      • Count-based calibration is useful when the standard count is questionable or absent.
      • The aging effect of a neutron probe over a period of 26 yr was negligible.
      doi:10.2136/sssaj2017.02.0052
      Soil Science Society of America Journal 2017 81:1036-1044
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    • Per Schjønning and Michael Koppelgaard
      The Forchheimer Approach for Soil Air Permeability Measurement
      Core Ideas
      • We developed an apparatus with automatic registration of flow (Q) and pressure (ΔP).
      • A curvilinear Q–ΔP relation was found for seven of eight soil samples tested.
      • Ignoring non-linear pressure loss gave permeability errors up to 65% at ΔP=100 Pa.
      • We suggest an index for pore tortuosity based on the non-linear Q–ΔP relation.
      doi:10.2136/sssaj2017.02.0056
      Soil Science Society of America Journal 2017 81:1045-1053
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    • Emmanuel Amoakwah, Kwame Agyei Frimpong and Emmanuel Arthur
      Corn Cob Biochar Improves Aggregate Characteristics of a Tropical Sandy Loam
      Core Ideas
      • Amount of water-stable aggregates increased after biochar amendment.
      • Biochar decreased tensile strength of soil aggregates larger than 4 mm.
      • Strength of smaller aggregates (<2 mm) increased after biochar application.
      • Soil friability and workability increased with increasing biochar application rate.
      doi:10.2136/sssaj2017.04.0112
      Soil Science Society of America Journal 2017 81:1054-1063
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    • José Dörner, Rainer Horn, Dorota Dec, Ole Wendroth, Heiner Fleige and Felipe Zúñiga
      Land-Use-Dependent Change in the Soil Mechanical Strength and Resilience of a Shallow Volcanic Ash Soil in Southern Chile
      Core Ideas
      • Land use change had a great impact on the spatial variability of Aquands’ physical properties.
      • Mechanical strength increased as a consequence of the land use change.
      • The soil’s physical resilience presents spatial variability.
      • Aquands with a bulk density close to 0.65 g cm–3 can be considered to be compacted.
      doi:10.2136/sssaj2016.11.0378
      Soil Science Society of America Journal 2017 81:1064-1073
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  • SOIL PHYSICS & HYDROLOGY NOTE up

    • Yueyue Wang, Tyson Ochsner, Joshua Heitman, Robert Horton, Xuzhang Xue and Tusheng Ren
      Weighing Lysimeter Data Confirm the Accuracy and Precision of the Heat-Pulse Technique for Measuring Daily Soil Evaporation
      Core Ideas
      • Multi-needle heat-pulse probes are applied for measuring daily evaporation rate.
      • Measurement accuracy and precision are confirmed with weighing lysimeter data.
      • The probes provide a new way to monitor daily evaporation rate continuously.
      doi:10.2136/sssaj2017.02.0049n
      Soil Science Society of America Journal 2017 81:1074-1078
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  • SOIL CHEMISTRY up

    • Nadia Adam
      A Wet-Chemical and Phosphorus K-edge X-ray Absorption Near Edge Structure Investigation of Phosphate Adsorption on Binary Mixtures of Ferrihydrite and Calcite: Implications for Phosphorus Bioavailability
      Core Ideas
      • Understanding P sorption complexity is critical to managing alkaline soil-P.
      • Molecular and macro-scale sorption are characterized in representative systems.
      • Preferential P sorption on ferrihydrite is seen in ferrihydrite–calcite mixtures.
      • Nonlinear P sorptive behavior in mineral–mixtures indicates mineral interaction.
      • An increase in P bioavailability is expected with soil reduction and pH increase.
      doi:10.2136/sssaj2016.10.0342
      Soil Science Society of America Journal 2017 81:1079-1087
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    • Samantha Ritter, Thomas DeSutter, Peter O’Brien, Frank Casey, Abbey Wick, Kevin Horsager and Eakalak Khan
      Binary Exchanges of Calcium, Magnesium, and Potassium on Thermally Desorbed Soil
      Core Ideas
      • Thermal desorption is used to remediate contaminated soil.
      • Thermal desorption can alter Gibb’s free energies.
      • Thermal desorption at 350°C did not change cation selectivity.
      doi:10.2136/sssaj2017.01.0028
      Soil Science Society of America Journal 2017 81:1088-1095
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  • SOIL BIOLOGY & BIOCHEMISTRY up

    • Leonardo Deiss, Alan J. Franzluebbers, Aziz Amoozegar, Dean Hesterberg, Matthew Polizzotto and Frederick W. Cubbage
      Soil Carbon Fractions from an Alluvial Soil Texture Gradient in North Carolina
      Core Ideas
      • Total, mineral-associated, and mineralizable C fractions varied along a soil texture gradient.
      • Specific surface area and Fe oxyhydroxides were positively associated with clay concentration.
      • Soil C fractions were positively associated with surface area and Fe oxides.
      • Aluminum oxide was not related to clay concentration or specific surface area.
      • Mineralizable C had the most complex relationship with clay concentration.
      doi:10.2136/sssaj2016.09.0304
      Soil Science Society of America Journal 2017 81:1096-1106
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    • Julia Gebert and Jan Streese-Kleeberg
      Coupling Stable Isotope Analysis with Gas Push-Pull Tests to Derive In Situ Values for the Fractionation Factor α ox Associated with the Microbial Oxidation of Methane in Soils
      doi:10.2136/sssaj2016.11.0387
      Soil Science Society of America Journal 2017 81:1107-1114
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    • William R. Osterholz, Oshri Rinot, Avi Shaviv, Raphael Linker, Matt Liebman, Gregg Sanford, Jeffrey Strock and Michael J. Castellano
      Predicting Gross Nitrogen Mineralization and Potentially Mineralizable Nitrogen using Soil Organic Matter Properties
      Core Ideas
      • Gross N mineralization and PMN are related to different SOM properties.
      • Multiple linear regressions generated predictions of N mineralization that were validated across diverse agroecosystems.
      • Organic soil amendments consistently increased N mineralization.
      doi:10.2136/sssaj2017.02.0055
      Soil Science Society of America Journal 2017 81:1115-1126
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      [ Supplement 1 ]
  • SOIL FERTILITY & PLANT NUTRITION up

    • Amir Sadeghpour, Quirine M. Ketterings, Gregory S. Godwin, Karl J. Czymmek and Francoise Vermeylen
      Agro-Environmental Consequences of Shifting from Nitrogen- to Phosphorus-Based Manure Management of Corn
      Core Ideas
      • Soil nitrate and moisture are primary drivers for N2O emissions.
      • Where N limits yield, N2O emissions increase linearly with yield.
      • Phosphorus-based manure management can lead to deficiencies in N supply.
      • Supplemental fertilizer N in P-based systems increases N2O emissions.
      doi:10.2136/sssaj2016.03.0417
      Soil Science Society of America Journal 2017 81:1127-1138
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  • PEDOLOGY up

    • Zhaosheng Fan, Jeffrey E. Herrick, Rick Saltzman, Christina Matteis, Anna Yudina, Nicholas Nocella, Edward Crawford, Rick Parker and Justin Van Zee
      Measurement of Soil Color: A Comparison Between Smartphone Camera and the Munsell Color Charts
      Core Ideas
      • Smartphone cameras can be used to reliably measure soil color.
      • Soil color measured with smartphone cameras had less subjectivity and uncertainty.
      • Natural lighting conditions affected the accuracy of the soil color measured with smartphone cameras.
      doi:10.2136/sssaj2017.01.0009
      Soil Science Society of America Journal 2017 81:1139-1146
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      [ Supplement 1 ]
  • SOIL & WATER MANAGEMENT & CONSERVATION up

    • Samuel I. Haruna, Stephen H. Anderson, Nsalambi V. Nkongolo, Timothy Reinbott and Syaharudin Zaibon
      Soil Thermal Properties Influenced by Perennial Biofuel and Cover Crop Management
      doi:10.2136/sssaj2016.10.0345
      Soil Science Society of America Journal 2017 81:1147-1156
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    • Deborah Aller, Ross Mazur, Kenneth Moore, Roger Hintz, David Laird and Robert Horton
      Biochar Age and Crop Rotation Impacts on Soil Quality
      Core Ideas
      • Crop rotations including switchgrass were found to build soil organic C and N
      • Biochar amendments increased soil C and N, pH, and gravity drained water content
      • Total soil C and N increases with biochar age suggest negative priming
      • Biochar and switchgrass offset negative effects of biomass harvesting on soil quality
      doi:10.2136/sssaj2017.01.0010
      Soil Science Society of America Journal 2017 81:1157-1167
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    • Elton da Silva Bicalho, Mara Regina Moitinho, Daniel De Bortoli Teixeira, Alan Rodrigo Panosso, Kurt Arnold Spokas and Newton La Scala Jr.
      Soil Greenhouse Gases: Relations to Soil Attributes in a Sugarcane Production Area
      Core Ideas
      • The production of the main soil greenhouse gases (CO2, CH4 and N2O) is influenced by agricultural practices.
      • The soil bulk density and micropores showed negative correlation with soil CO2 emission.
      • The factor analysis showed the formation of two independent processes that explained almost 72% of the total variance observed in the data.
      • The soil moisture is a controlling factor of soil CO2 emission.
      doi:10.2136/sssaj2017.02.0043
      Soil Science Society of America Journal 2017 81:1168-1178
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    • Andrea Basche and Marcia DeLonge
      The Impact of Continuous Living Cover on Soil Hydrologic Properties: A Meta-Analysis
      Core Ideas
      • Meta-analysis compared soil hydrology in perennial- and annual-based crop systems.
      • Continuous living cover practices significantly increased porosity, field capacity.
      • There may be a greater effect in drier environments and sandier soils.
      • Experiments in place longer than ten years also tended to increase the properties.
      • Results suggest how continuous living cover can negate rainfall variability impacts.
      doi:10.2136/sssaj2017.03.0077
      Soil Science Society of America Journal 2017 81:1179-1190
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    • Alison J. Eagle, Lydia P. Olander, Katie L. Locklier, James B. Heffernan and Emily S. Bernhardt
      Fertilizer Management and Environmental Factors Drive N 2 O and NO 3 Losses in Corn: A Meta-Analysis
      Core Ideas
      • Systematic review and meta-analysis demonstrate key factors for reducing agricultural N losses.
      • Nitrification inhibitors and side-dress fertilizer N each reduce N2O losses by ∼30%.
      • Temperature controls N2O emissions and precipitation controls NO3 leaching losses.
      • Higher levels of soil carbon reduce NO3 losses, but increase N2O emissions.
      • Lack of simultaneous data for N2Oand NO3 impedes understanding of tradeoffs and synergies.
      doi:10.2136/sssaj2016.09.0281
      Soil Science Society of America Journal 2017 81:1191-1202
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  • FOREST, RANGE & WILDLAND SOILS up

    • Robert R. Blank, Charlie ClementsTye and MorganDan Harmon
      Sagebrush Wildfire Effects on Surface Soil Nutrient Availability: A Temporal and Spatial Study
      Core Ideas
      • In sagebrush ecosystems, wildfire effects on surface soil nutrient availability varied spatially.
      • Wildfire increased surface soil nutrient availability long-term, mostly in shrub canopies.
      • Soil nutrients of greatest increase with long-lasting elevated levels included mineral N and Mn.
      doi:10.2136/sssaj2017.02.0039
      Soil Science Society of America Journal 2017 81:1203-1210
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  • NUTRIENT MANAGEMENT & SOIL & PLANT ANALYSIS up

    • Angel Maresma and Quirine M. Ketterings
      In-Field Variability of the Illinois Soil Nitrogen Test and Loss-on-Ignition Results for Nitrogen Management
      doi:10.2136/sssaj2016.10.0334
      Soil Science Society of America Journal 2017 81:1211-1221
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    • Leonardo Deiss, Alan J. Franzluebbers and Anibal de Moraes
      Soil Texture and Organic Carbon Fractions Predicted from Near-Infrared Spectroscopy and Geostatistics
      Core Ideas
      • Near-infrared spectroscopy (NIRS) was appropriate for predicting soil texture and C.
      • Both linear and nonlinear multivariate models could be used for NIRS calibration.
      • Soil texture was predicted with greater precision than organic C fractions.
      • Near-infrared spectroscopy and kriging were a useful combination for assessing spatial variation.
      doi:10.2136/sssaj2016.10.0326
      Soil Science Society of America Journal 2017 81:1222-1234
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      [ Supplement 1 ]
    • Marcus Hardie
      Two Dimensional Modelling of Nitrate Flux in a Commercial Apple Orchard
      Core Ideas
      • 15 to 33% of rainfall was lost as runoff or drainage under rainfed conditions.
      • Current management of young trees resulted in loss of 46% applied nitrate.
      • Drip fertigation was predicted reduce drainage and nitrate leaching by 37%.
      • Excluding the use of green fowl manure reduced nitrate leaching by 56%.
      • Deficit-based irrigation scheduling had little effect on nitrate leaching.
      doi:10.2136/sssaj2017.01.0029
      Soil Science Society of America Journal 2017 81:1235-1246
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      [ Supplement 1 ]
  • SOIL MINERALOGY up

    • Angela Florence, Michel Ransom and David Mengel
      Potassium Fixation by Oxidized and Reduced Forms of Phyllosilicates
      Core Ideas
      • Understanding how soils fix and release K is crucial for soil fertility.
      • K fixation and release are controlled by layer silicate collapse and expansion.
      • K fixation is affected by layer charge, charge distribution, and Fe redox.
      • The greater the negative layer charge, the greater the amounts of K fixation.
      • Tetrahedrally derived charge favors more K fixation than octahedrally derived charge.
      doi:10.2136/sssaj2016.12.0420
      Soil Science Society of America Journal 2017 81:1247-1255
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  • BOOK REVIEW up

    • Nik Qafoku
      Soil and Water Chemistry
      doi:10.2136/sssaj2017.0003br
      Soil Science Society of America Journal 2017 81:1256-1256
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