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Volume 81 Issue 3, May-June 2017



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  • SOIL SCIENCE ISSUES up

    • Lisa Lobry de Bruyn, Abigail Jenkins and Susan Samson-Liebig
      Lessons Learnt: Sharing Soil Knowledge to Improve Land Management and Sustainable Soil Use
      Core Ideas
      • Acknowledge the role of experiential knowledge in informing soil use and management.
      • Investigate knowledge needs and discourse in a deeper and all-encompassing way.
      • Train work-ready graduates who can succeed as existing staff retire.
      • Form knowledge partnerships with genuine commitment, trust and social cohesion.
      • Broaden the way the discipline communicates and engages with social networks.
      • Provide a dynamic learning environment which balances the digital and real world.
      • Evaluate impact of activities and appraise their worth through reflection.
      doi:10.2136/sssaj2016.12.0403
      Soil Science Society of America Journal 2017 81:427-438
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      unlockOPEN ACCESS
  • SOIL PHYSICS & HYDROLOGY up

    • Lijun Su, Quanjiu Wang, Xinqiang Qin, Yuyang Shan and Xing Wang
      Analytical Solution of a One-Dimensional Horizontal-Absorption Equation Based on the Brooks–Corey Model
      Core Ideas
      • Least-action and variational principles were used to analyze soil water content distribution.
      • An analytical solution of a one-dimensional horizontal-absorption equation was proposed.
      • A new method to predict the distribution of SWC and estimate the Brooks–Corey model parameters.
      doi:10.2136/sssaj2016.06.0189
      Soil Science Society of America Journal 2017 81:439-449
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    • Cedric W. Mason, Cathelijne R. Stoof, Brian K. Richards, Srabani Das, Christine L. Goodale and Tammo S. Steenhuis
      Hotspots of Nitrous Oxide Emission in Fertilized and Unfertilized Perennial Grasses
      Core Ideas
      • We studied hotspots of nitrous oxide emission from perennial grasses on wet soil.
      • Hotspots occurred in a limited range of soil moisture and temperature conditions.
      • Hotspots recurred more frequently at specific places over a three year period.
      doi:10.2136/sssaj2016.08.0249
      Soil Science Society of America Journal 2017 81:450-458
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      [ Supplement 1 ]
    • Hongyuan Liu, Yang Yang, Keli Zhang and Chuanlong Sun
      Soil Erosion as Affected by Freeze-Thaw Regime and Initial Soil Moisture Content
      Core Ideas
      • Freeze-thaw generally increased detachment capacity by an average of 36.5%.
      • The impact of freeze-thaw on soil erosion was affected by initial moisture content.
      • Detachment capacity and rill erodibility was increased at 30 and 45% moisture.
      • Soil erosion was reduced at 20% moisture content after 5 or 10 freeze-thaw cycles.
      • The effect of freeze-thaw exponentially increased with the freeze-thaw cycles.
      doi:10.2136/sssaj2016.08.0271
      Soil Science Society of America Journal 2017 81:459-467
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    • Fabio Augusto Meira Cássaro, Adolfo Nicolas Posadas Durand, Daniel Gimenez and Carlos Manoel Pedro Vaz
      Pore-Size Distributions of Soils Derived using a Geometrical Approach and Multiple Resolution MicroCT Images
      Core Ideas
      • X-ray microtomography.
      • An image-based approach to determine soil pore distributions.
      • Integration between information obtained in different spatial resolutions.
      doi:10.2136/sssaj2016.09.0291
      Soil Science Society of America Journal 2017 81:468-476
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    • Sleem A. Kreba, Ole Wendroth, Mark S. Coyne and Riley Walton
      Soil Gas Diffusivity, Air-Filled Porosity, and Pore Continuity: Land Use and Spatial Patterns
      Core Ideas
      • Soil gas transport variables were greater in pasture than crop systems.
      • Gas transport variables exhibited high spatial variation with higher CVs in the crop.
      • Spatial variability of Ds/D0 was structured at all selected matric potentials.
      • Ds/D0 revealed stronger spatial dependence in the crop and longer correlation in pasture.
      • Spatial correlation length of Ds/D0 in the crop was controlled by soil water status.
      doi:10.2136/sssaj2016.10.0344
      Soil Science Society of America Journal 2017 81:477-489
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    • Erik S. Krueger, Tyson E. Ochsner, Steven M. Quiring, David M. Engle, J.D. Carlson, Dirac Twidwell and Samuel D. Fuhlendorf
      Measured Soil Moisture is a Better Predictor of Large Growing-Season Wildfires than the Keetch–Byram Drought Index
      Core Ideas
      • Fraction of available water capacity (FAW) was determined from measured soil moisture.
      • Wildfire relationships were compared for FAW and Keetch–Byram drought index (KBDI).
      • Growing-season wildfire danger was more accurately represented by FAW than KBDI.
      • Neither FAW nor KBDI alone accurately represented dormant-season wildfire danger.
      • We recommend replacing KBDI with FAW in growing-season wildfire danger assessments
      doi:10.2136/sssaj2017.01.0003
      Soil Science Society of America Journal 2017 81:490-502
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      unlockFREE PREVIEW
  • SOIL CHEMISTRY up

    • Xin Fu, Jun Wang, Upendra M. Sainju and Wenzhao Liu
      Soil Carbon Fractions in Response to Long-Term Crop Rotations in the Loess Plateau of China
      Core Ideas
      • Long-term (30 yr) diversified crop rotations had a positive impact on soil C fractions.
      • Carbon fractions increased with increased rotation length.
      • Diversified rotations enhanced soil C sequestration and microbial biomass and activity.
      doi:10.2136/sssaj2016.04.0122
      Soil Science Society of America Journal 2017 81:503-513
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    • Michael Essington, Melanie Stewart and Kalyn Vergeer
      Adsorption of Antimonate by Kaolinite
      Core Ideas
      • Sb(V) adsorption by kaolinite is pH and ionic strength dependent, with adsorption decreasing with increasing pH and ionic strength.
      • Sb(V) adsorption is hysteretic in acidic systems, but reversible in alkaline.
      • Adsorbed Sb(V) generates a downward shift in the isoelectric point and an upward shift in the point of zero net proton charge.
      • Phosphate decreases Sb(V) adsorption, but the influence of sulfate is minimal.
      • The macroscopic findings indicate that Sb(V) is retained by innersphere in acidic and outersphere in neutral to alkaline systems.
      doi:10.2136/sssaj2016.12.0402
      Soil Science Society of America Journal 2017 81:514-525
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  • SOIL BIOLOGY & BIOCHEMISTRY up

    • Zhanbei B. Liang, Donald J. Lee, Ismail M. Dweikat, David A. Wedin, Gary Y. Yuen and Rhae A. Drijber
      Molecular Diversity of Arbuscular Mycorrhizae in Roots of Juniperus virginiana Invasive to Grasslands
      Core Ideas
      • Glomus spp. dominate the arbuscular mycorrhizal fungal (AMF) community in eastern red cedar (ERC) roots.
      • Young seedlings harbor the most diverse AMF, similar to grassland soils from the same site.
      • AMF diversity within ERC roots tended to decrease with plant age suggesting narrower plant and edaphic selection pressures with increasing ERC stand density.
      • A change in biotic and abiotic factors resulting from displacement of grassland with ERC is likely responsible for successional changes in the AMF community.
      doi:10.2136/sssaj2016.05.0133
      Soil Science Society of America Journal 2017 81:526-536
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    • Robert S. Dungan, April B. Leytem, David D. Tarkalson, James A. Ippolito and David L. Bjorneberg
      Greenhouse Gas Emissions from an Irrigated Dairy Forage Rotation as Influenced by Fertilizer and Manure Applications
      Core Ideas
      • Urea formulated with urease and nitrification inhibitors can reduce N2O emissions.
      • Nitrous oxide-N emission losses as a percentage of total N applied were ≤0.21%.
      • Timing of manure application did not affect N2O, CO2, and CH4 fluxes.
      • Soil was a CH4 sink and emissions were not influenced by N source.
      doi:10.2136/sssaj2016.08.0254
      Soil Science Society of America Journal 2017 81:537-545
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    • Simone C. Mello, Yuncong C. Li, Kati W. Migliaccio, Eileen P. Linares, James Colee and Jéssika Angelotti-Mendonça
      Effects of Polymer Coated Urea and Irrigation Rates on Lantana Growth and Nitrogen Leaching
      Core Ideas
      • Polymer-coated urea reduced N leaching as compared with conventional urea.
      • Climatic conditions during the lantana growth affected the N uptake and N-use efficiency.
      • These results can be used for water and fertilizer management for ornamental plants.
      • This study can be used to minimize environmental impact caused by N leaching.
      doi:10.2136/sssaj2016.09.0307
      Soil Science Society of America Journal 2017 81:546-555
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  • SOIL FERTILITY & PLANT NUTRITION up

    • Pablo A. Barbieri, Hernán R. Sainz Rozas, Nicolás Wyngaard, Mercedes Eyherabide, Nahuel I. Reussi Calvo, Fernando Salvagotti, Adrián A. Correndo, Pedro A. Barbagelata, Gabriel P. Espósito Goya, Juan C. Colazo and Hernán E. Echeverría
      Can Edaphic Variables Improve DTPA-Based Zinc Diagnosis in Corn?
      Core Ideas
      • DTPA-extractable Zn is often used to predict corn response to Zn application.
      • Can DTPA–Zn-based diagnosis be improved by considering other soil properties?
      • Soil properties did not contribute to explain corn grain yield response.
      • DTPA–Zn allowed to discriminate sites based on their response to Zn fertilization.
      • We determined a Zn-critical range from 0.86 to 1.30 mg kg−1 (n = 64).
      doi:10.2136/sssaj2016.09.0316
      Soil Science Society of America Journal 2017 81:556-563
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    • Apurba K. Sutradhar, Daniel E. Kaiser and Fabián G. Fernández
      Does Total Nitrogen/Sulfur Ratio Predict Nitrogen or Sulfur Requirement for Corn?
      Core Ideas
      • Nitrogen and sulfur can interact within the plant and affect the concentration of each other in corn plant tissue.
      • Nitrogen concentration in plant tissue has a greater impact on the N/S ratio than S which was found to not affect the N/S ratio in corn ear leaf tissue and grain.
      • Individual sufficiency of N and S in plant tissue is a better predictor of corn yield response versus the ratio of N/S in the plant tissue.
      • The accumulation of nitrate–N in the base of the corn stalk assessed at maturity is decreased when sulfur fertilizer is applied.
      • Excess sulfate can accumulate in the base of the plant at maturity but the amount of sulfate–S cannot be used to predict the sufficiency of S.
      doi:10.2136/sssaj2016.10.0352
      Soil Science Society of America Journal 2017 81:564-577
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  • PEDOLOGY up

    • Matthew R. Levi
      Modified Centroid for Estimating Sand, Silt, and Clay from Soil Texture Class
      Core Ideas
      • Knowledge of texture class and clay enables continuous estimates of sand and silt.
      • Rosetta under predicted water retention compared with measured values.
      • Rosetta performance differed by soil texture class.
      • Rosetta estimates were similar for modified centroid and measured particle size.
      doi:10.2136/sssaj2016.09.0301
      Soil Science Society of America Journal 2017 81:578-588
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  • SOIL & WATER MANAGEMENT & CONSERVATION up

    • Aubrey K. Fine, Harold M. van Es and Robert R. Schindelbeck
      Statistics, Scoring Functions, and Regional Analysis of a Comprehensive Soil Health Database
      Core Ideas
      • Summary statistics were developed from a robust multiregional soil health (SH) dataset.
      • Active carbon, organic matter, and penetration resistance were most useful soil health indicators.
      • Midwestern soils had relatively lower mean values for measured biological properties than Northeast or Mid-Atlantic soils.
      doi:10.2136/sssaj2016.09.0286
      Soil Science Society of America Journal 2017 81:589-601
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      [ Supplement 1 ]
      unlockOPEN ACCESS
    • Donald L. Suarez and Alberto Gonzalez-Rubio
      Effects of the Dissolved Organic Carbon of Treated Municipal Wastewater on Soil Infiltration as Related to Sodium Adsorption Ratio and pH
      Core Ideas
      • DOC in treated wastewater decreased infiltration relative to prepared waters of the same composition.
      • The effect of the DOC was equivalent to an increase in SAR of 2-3 units.
      • The SAR of typical wastewaters is sufficiently high to cause loss of infiltration.
      • DOC, SAR and elevated pH all had detrimental effects on soil physical properties.
      • Sustained use of wastewaters for irrigation requires treatment to lower pH below 8.0 and SAR below 4.
      doi:10.2136/sssaj2016.09.0310
      Soil Science Society of America Journal 2017 81:602-611
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    • Gayoung Yoo, Hyunjin Kim and Jong Yun Choi
      Soil Aggregate Dynamics Influenced by Biochar Addition using the 13 C Natural Abundance Method
      doi:10.2136/sssaj2016.09.0313
      Soil Science Society of America Journal 2017 81:612-621
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    • Q.J. Liu, R.R. Wells, S.M. Dabney and J.J. He
      Effect of Water Potential and Void Ratio on Erodibility for Agricultural Soils
      doi:10.2136/sssaj2016.11.0369
      Soil Science Society of America Journal 2017 81:622-632
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  • WETLAND SOILS up

    • J.A. Hribljan, E.S. Kane and R.A. Chimner
      Implications of Altered Hydrology for Substrate Quality and Trace Gas Production in a Poor Fen Peatland
      Core Ideas
      • Long-term hydrological alterations influenced peat substrate quality.
      • Peat lability was greatest from inundated sites.
      • Long-term drainage produced degraded peat quality.
      • Peat quality and lability were specific to microforms.
      doi:10.2136/sssaj2016.10.0322
      Soil Science Society of America Journal 2017 81:633-646
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    • B.M. Levine, J.R. White, R.D. DeLaune and K. Maiti
      Crude Oil Effects on Redox Status of Salt Marsh Soil in Louisiana
      doi:10.2136/sssaj2016.12.0398
      Soil Science Society of America Journal 2017 81:647-653
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      [ Supplement 1 ]
    • Jacob F. Berkowitz, Christine M. VanZomeren, Steven J. Currie and Lenore Vasilas
      Application of α,α’-dipyridyl dye for hydric soil identification
      Core Ideas
      • The α,α’-dipyridyl dye displayed a ferrous iron detection limit of 0.31mg L−1.
      • Liquid α,α’ dipyridyl dye and indicator test strips exhibited similar reactivity.
      • Light and heat exposure led to potential α,α’-dipyridyl dye degradation.
      • The α,α’-dipyridyl dye provides a tool for hydric soil and wetland identification.
      doi:10.2136/sssaj2016.12.0431
      Soil Science Society of America Journal 2017 81:654-658
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  • OTHER ITEMS up


    • SSSA Yearly Reports
      doi:10.2136/sssaj2016.0107pres_and_yearly_reports
      Soil Science Society of America Journal 2017 81:659a-659a
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    • Presidents of the Soil Science Society of America
      doi:10.2136/sssaj2016.0107pres_and_yearly_reports
      Soil Science Society of America Journal 2017 81:659-671
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    • 2016 SSSA Award & Scholarship Recipients
      doi:10.2136/sssaj2016.0170aw
      Soil Science Society of America Journal 2017 81:672-678
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    • 2016 SSSA Fellows
      doi:10.2136/sssaj2016.0171f
      Soil Science Society of America Journal 2017 81:679-681
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    • Thanks to Our Reviewers
      doi:10.2136/sssaj2016.0205thanksrev
      Soil Science Society of America Journal 2017 81:682-686
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