Publications

Peer-reviewed Journal Papers:

1. Iheshiulo E.M.-A., F.J. Larney, G. Hernandez-Ramirez, M. St. Luce, K. Liu, and H.W. Chau. Do Diversified Crop Rotations Influence Soil Physical Health? A Meta-Analysis. Soil and Tillage Research 233, 105781 https://doi.org/10.1016/j.still.2023.105781

2. Lin, S., Hernandez-Ramirez, G., Kryzanowski, L., Lohstraeter, G., Wallace, T. Adding inhibitors to manure injections can mitigate nitrous oxide emissions from barley croplands. Nutr Cycl Agroecosyst (2023). https://doi.org/10.1007/s10705-023-10277-x

3. Schulze, C., Oliver Sonnentag, Carolina Voigt, Lauren Thompson, Lona van Delden, Liam Heffernan, Guillermo Hernandez-Ramirez, McKenzie Kuhn, Sisi Lin and David Olefeldt. Nitrous Oxide Fluxes in Permafrost Peatlands remain negligible after Wildfire and Thermokarst Disturbance. Journal of Geophysical Research – Biogeosciences. http://dx.doi.org/10.1029/2022JG007322

4. Syazwan Sulaiman, Namasivayam Navaranjan, Guillermo Hernandez-Ramirez, Zohrah Sulaiman. 2023. Plant residues ameliorate pH of agricultural acid soil in a laboratory incubation: a meta-analysis. Journal of Plant Nutrition and Soil Science. 186: 330-338 doi: 10.1002/jpln.202200332

5. Daly, E.J., K. Kim, Hernandez-Ramirez, G., and K. Klimchuk. 2023. The response of soil physical quality parameters to a perennial grain crop. Agriculture, Ecosystems and Environment. 343, 108265 https://doi.org/10.1016/j.agee.2022.108265

6. Pelster, D.E., A. Thiagarajan, B.C. Liang, M.H. Chantigny, C. Wagner-Riddle, K. Congreves, R. Lemke, A. Glenn, M. Tenuta, Hernandez-Ramirez, G., S. Bittman, D. Hunt, J. Owens, J.D. MacDonald. Ratio of non-growing season to growing season N2O emissions in Canadian croplands: an update to national inventory methodology. Canadian Journal of Soil Science. https://doi.org/10.1139/CJSS-2022-0101

7. Lee, A., Neuberger, P., Omokanye, A., Hernandez‑Ramirez, G., K. Kim, M.A. Gorzelak. 2023. Arbuscular mycorrhizal fungi in oat-pea intercropping. Sci Rep 13, 390. https://doi.org/10.1038/s41598-022-22743-7

8. Thilakarathna, S.K., M. Konschuh, S.A. Woods, Hernandez-Ramirez, G. Nitrous oxide emissions and productivity of irrigated potato: Effects of nitrogen fertilization options. Agronomy Journal. doi.org/10.1002/agj2.21213

9. Kim, K.*, Daly, EJ, M. Gorzelak, Hernandez-Ramirez, G. 2022. Soil organic matter pools response to perennial grain cropping and nitrogen fertilizer. Soil and Tillage Research. 220, 105376 https://doi.org/10.1016/j.still.2022.105376

10. Kim, K.*, P. Neuberger, Daly, EJ, M. Gorzelak, Hernandez-Ramirez, G. 2022. Arbuscular mycorrhizal fungi community linkages to soil nutrient availability across contrasting agroecosystems. Applied Soil Ecology. 176, 104464 https://doi.org/10.1016/j.apsoil.2022.104464

11. Kim, K.*, Daly, EJ, Flesch, T.K., Coates, T.W., Hernandez-Ramirez, G. 2022. Carbon and water dynamics of a perennial versus an annual grain crop in temperate agroecosystems. Agriculture and Forest Meteorology 314, 108805 https://doi.org/10.1016/j.agrformet.2021.108805

12. Lin, S*, Hernandez-Ramirez, G. 2022. Increased soil-derived N2O production following a simulated fall-freeze-thaw cycle: Effects of fall urea addition, soil moisture, and history of manure applications. Biogeochemistry. 157, 379–398 https://doi.org/10.1007/s10533-021-00880-x

13. Daly, EJ*, K Kim, Hernandez-Ramirez, G, T.K Flesch. 2022. Perennial grain crops reduce N2O emissions under specific site conditions. Agriculture, Ecosystems and Environment 326, 107802. https://doi.org/10.1016/j.agee.2021.107802

14. Daly, EJ*, Hernandez-Ramirez, G, D. Puurveen, C. Ducholke, K. Kim, L. Oatway. 2022. Perennial rye as a grain crop in Alberta, Canada: Prospects and challenges. Agronomy Journal 114:471-489. doi: 10.1002/agj2.20965

15. Roman-Perez C.C.*, Hernandez-Ramirez, G. 2021. Nitrous oxide production and nitrogen transformations in a soil amended with biosolids. Canadian Journal of Soil Science, https://doi.org/10.1139/CJSS-2021-0064

16. Coates, TW, Alam, M, Flesch, TK*, Hernandez-Ramirez G. 2021. Field testing two flux footprint models. Atmos. Meas. Tech., 14, 7147–7152, https://doi.org/10.5194/amt-14-7147-2021

17. Roman-Perez, C.C., Hernandez-Ramirez, G.*, Kryzanowski, L., Puurveen, D., Lohstraeter G. 2021. Greenhouse gas emissions, nitrogen dynamics and barley productivity as impacted by biosolids applications. Agriculture, Ecosystems, and Environment 107577 https://doi.org/10.1016/j.agee.2021.107577

18. Lin, S.*, Mezbahuddin, S., Grant, R., Hernandez-Ramirez, G. 2021. How could simulated dewatering of slurry mitigate nitrous oxide emissions from fall and spring injections? – A modelling study in a Chernozem soil in Western Canada. Science of the Total Environment. 796, 148758 https://doi.org/10.1016/j.scitotenv.2021.148758

19. Omokanye, A.*, Hernandez-Ramirez, G., Lardner H.A., Al-Maqtari B, Gill KS and Lee A. 2021. Alternative forage feeds for beef cattle in Northwestern Alberta, Canada: Forage yield and nutritive value of forage brassicas and forbs. Journal of Applied Animal Research. 49, 203-210. https://doi.org/10.1080/09712119.2021.1933990

20. Hernandez-Ramirez G.*, Sauer T.J., Yury G. Chendev, Alexander N. Gennadiev. 2021. Nonlinear turnover rates of soil carbon following cultivation of native grasslands and subsequent afforestation of croplands. Soil, 7:415–431. https://doi.org/10.5194/soil-7-415-2021

21. Hernandez-Ramirez G.*, Reiner Ruser, Dong-Gill Kim. 2021. How does soil compaction alter nitrous oxide fluxes? A meta-analysis. Soil & Tillage Research 211 105036 https://doi.org/10.1016/j.still.2021.105036

22. Thilakarathna, S.K., Hernandez-Ramirez, G.* 2021. Primings of soil organic matter and denitrification mediate the effects of moisture on nitrous oxide production. Soil Biology and Biochemistry. 155:108166 http://dx.doi.org/10.1016/j.soilbio.2021.108166

23. Lin, S., and G. Hernandez-Ramirez*. 2021. Nitrogen turnover and N2O production in incubated soils after receiving field applications of liquid manure and nitrification inhibitors. Canadian Journal of Soil Science, 101 (2), 290-304 doi.org/10.1139/CJSS-2020-0102.

24. Sauer T.J.*, C. Dold, A.J. Ashworth, C.C. Nieman, G. Hernandez-Ramirez, D. Philipp, A.N. Gennadiev, and Y.G. Chendev. Agroforestry practices for soil conservation and resilient agriculture. 2021. In: Ranjith Udawatta and Shibu Jose (eds.). Agroforestry and Ecosystem Services. Springer, 532 pages.

25. Kim, K, Daly E.J*, Hernandez-Ramirez, G. 2021. Perennial grain cropping enhances the soil methane sink in temperate agroecosystems. Geoderma 388. https://doi.org/10.1016/j.geoderma.2021.114931

26. Omokanye A.*, Hernandez-Ramirez, G., Lardner H.A., Al-Maqtari B, Gill KS and Lee A. 2020. The evaluation of warm-season annual grasses as alternative sources of forage crops for beef cattle diets under northwestern Alberta conditions. Journal of Crop Improvement 35:4, 536-546, doi.org/10.1080/15427528.2020.1847226.

27. Roman-Perez C.C., Hernandez-Ramirez, G*. 2021. Sources and priming of N2O production across a range of moisture contents in a soil with high organic matter. Journal of Environmental Quality 50:94-109 doi: 10.1002/jeq2.20172

28. Thilakarathna, S.K., Hernandez-Ramirez, G.* 2021. How does management legacy, nitrogen addition and nitrification inhibition impact soil organic matter priming and nitrous oxide production? Journal of Environmental Quality 50:78-93. doi: 10.1002/jeq2.20168

29. Thilakarathna, S.K. Hernandez-Ramirez, G.*, Puurveen, D., Kryzanowski L, Lohstraeter G, Powers L-A, Quan, N., and Tenuta, M. 2020. Nitrous oxide emissions and nitrogen use efficiency in wheat: n fertilization timing and formulation, soil N, and weather effects. Soil Science Society of America Journal 84:1910–1927 doi: 10.1002/saj2.20145

30. Daly E.J*, and G. Hernandez-Ramirez. 2020. Sources and priming of soil N2O and CO2 production: nitrogen and simulated exudate additions. Soil Biology and Biochemistry. 149:107942. https://doi.org/10.1016/j.soilbio.2020.107942

31. Omokanye, A.*, B. Al-Maqtari, H.A. Lardner, G. Hernandez-Ramirez, K.S. Gill, L. Sreekumar, A. Lee. 2020. Forage potential of corn intercrops for beef cattle diets in Northwestern Alberta. Crop, Forage & Turfgrass Management 16843655

32. Chai L.L., Hernandez-Ramirez G.*, M. Dyck, D. Pauly, L. Kryzanowski, A. Middleton, L-A. Powers, G. Lohstraeter, and D. Werk. 2020. Can fertigation reduce nitrous oxide emissions from wheat and canola fields? Science of the Total Environment. 745:141014 https://doi.org/10.1016/j.scitotenv.2020.141014

33. Lin, S., and G. Hernandez-Ramirez*. 2020. Nitrous oxide emissions from manured soils as a function of various nitrification inhibitor rates and soil moisture contents. Science of the Total Environment. 738:139669.

34. Kiani, M, Hernandez-Ramirez, G.*, Quideau S. (2020). Spatial variation of soil quality indicators as a function of land use and topography. Canadian Journal of Soil Science, 100(4):463–478 https://doi.org/10.1139/cjss-2019-0163

35. Grant R.F.*, Lin, S., Hernandez-Ramirez, G. 2020. Modelling nitrification inhibitor effects on N2O emissions after fall and spring-applied slurry by reducing nitrifier nh4+ oxidation rate. Biogeosciences. 17:2021–2039. doi.org/10.5194/bg-17-2021-2020

36. Chai, LL, Hernandez-Ramirez, G*, Hik, DS, Barrio, IC, Frost, CM, Soto, CC, Esquivel-Hernandez, G. 2020. A methane sink in the Central American high elevation paramo: Topographic, soil moisture and vegetation effects. Geoderma 362:114092

37. Brachmann, C.*; Hernandez-Ramirez, G., Hik, D. 2020. CH4 uptake along a successional gradient in temperate alpine soils. Biogeochemistry 147:109–123. DOI: 10.1007/s10533-019-00630-0

38. Rees, F*, Quideau S, Dyck M, Hernandez-Ramirez G., Yarmuch M. 2020. Water and nutrient retention in coarse-textured soil profiles from the Athabasca oil sand region. Applied Geochemistry 114:104526

39. Ralston A, Hernandez-Ramirez G., Dyck M., MacKenzie M.D., and Quideau S.A. 2019. Mobile learning and student engagement in remote field activities. First Monday 24:11 4 November https://firstmonday.org/ojs/index.php/fm/article/download/9999/8154 doi:http://dx.doi.org/10.5210/fm.v24i11.9999

40. Guenette, KG*, Hernandez-Ramirez, G., Gamache P, Andreiuk R, Fausak L (2019). Soil structure dynamics in annual croplands under controlled traffic management. Canadian Journal of Soil Science, 99(2):146-160

41. Trabue, S.*, Scoggin K, Tyndall J, Sauer TJ, Hernandez-Ramirez G., Pfeiffer R, Hatfield J. 2019. Odorous compounds sources and transport from a swine deep-pit finishing operation: A case study. Journal of Environmental Management 233:12-23

42. Guenette, KG, Hernandez-Ramirez, G.*. (2018). Can faba bean physiological responses stem from contrasting traffic management regimes? Agronomy, 8(10), 200

43. Li, JC, Hernandez-Ramirez, G.*, Kiani, M, Quideau, S, Smith, E, Janzen, H, Larney, F, Puurveen, D (2018). Soil organic matter dynamics in long-term temperate agroecosystems: rotation and nutrient addition effects. Canadian Journal of Soil Science, 98, 232-245

44. Guenette, KG, Hernandez-Ramirez, G.* (2018). Tracking the influence of controlled traffic regimes on field scale soil variability and geospatial modeling techniques. Geoderma 328:66-78

45. Lin, S, Hernandez-Ramirez, G.*, Kryzanowski L, Wallace T, Grant R, Degenhardt R, Berger N, Sprout C, Lohstraeter G, Powers L-A. (2017). Timing of manure injection and nitrification inhibitors impacts on nitrous oxide emissions and nitrogen transformations in a barley crop. Soil Science Society of America Journal 81:1595-1605.

46. Kiani, M*, Hernandez-Ramirez, G., Quideau S, Smith E, Janzen H, Larney F, Puurveen D. (2017). Quantifying sensitive soil quality indicators across contrasting long-term land management systems: crop rotations and nutrient regimes. Agriculture, Ecosystems, and Environment 248:123–135.

47. Hebb, C, Schoderbek D, Hernandez-Ramirez, G.*, Hewins D, Carlyle CN, Bork E. (2017). Soil physical quality varies among contrasting land uses in Northern Prairie regions. Agriculture, Ecosystems, and Environment 240:14–23.

48. Qiu, W.*, Curtin D, Johnstone P, Beare M, Hernandez-Ramirez, G. (2016). Small-scale spatial variability of plant nutrients and soil organic matter: an arable cropping case study. Communications in Soil Science and Plant Analysis. 47:2189-2199.

49. Chendev YG, Sauer TJ*, Hernandez-Ramirez, G., Burras CL. (2015). History of East European Chernozem soil degradation; protection and restoration by tree windbreaks in the Russian steppe. Sustainability. 7:705-724.

50. Curtin D*, Beare MH, Scott CL, Hernandez-Ramirez, G. and Meenken ED. (2014). Mineralization of soil carbon and nitrogen following physical disturbance: a laboratory assessment. Soil Science Society of America Journal. 78: 925–935.

51. Hernandez-Ramirez, G.*, Lawrence-Smith EJ, Sinton SM, Tabley F, Schwen A, Beare MH, Brown HE. (2014). Root responses to alterations in macroporosity and penetrability in a silt loam soil. Soil Science Society of America Journal. 78:1392–1403.

52. Kim, DG*, Giltrap D, Hernandez-Ramirez, G. (2013). Background nitrous oxide emissions in agricultural and natural lands: A meta-analysis. Plant Soil. 373:17-30.

53. Kim, DG*, Hernandez-Ramirez, G., Giltrap, D. (2013). Linear and nonlinear dependency of direct nitrous oxide emissions on fertilizer nitrogen input: A meta-analysis. Agriculture, Ecosystems and Environment 168:53–65.

54. Hernandez-Ramirez, G., Trabue SL*, Sauer TJ, Pfeiffer RL, Tyndall JC. (2012). Odor mitigation with tree buffers: swine production case study. Agriculture, Ecosystems, and Environment 149:154–163.

55. Curtin D*, Beare MH, Hernandez-Ramirez, G. (2012). Temperature and moisture effects on microbial biomass and soil organic matter mineralization. Soil Science Society of America Journal. 76:2055-2067.

56. Sauer TJ*, James DE, Cambardella CA, Hernandez-Ramirez, G. (2012). Soil properties following reforestation or afforestation of marginal cropland in Iowa. Plant Soil. 360: 375-390.

57. Hernandez-Ramirez, G.*, A.L. Fletcher, P.D. Jamieson. (2011) Nitrogen partitioning in spring versus winter wheat at various N rates. Agronomy New Zealand Journal 41:125-132

58. Hernandez-Ramirez, G.*, Hatfield, J.L., Parkin, T.B., Sauer T.J., Prueger, J.H. (2011) Carbon dioxide fluxes in corn-soybean rotations in the Midwestern U.S.: inter- and intra-annual variations, and biophysical controls. Agriculture and Forest Meteorology 151:1831– 1842

59. Hernandez-Ramirez, G.*, S.M. Brouder, M.D. Ruark, and R.F. Turco. (2011) Nitrate, phosphate, and ammonium loads at subsurface drains in the eastern corn belt: agroecosystem and nitrogen management. Journal of Environmental Quality 40:1229-1240.

60. Smith, D.R.*, Hernandez-Ramirez, G., S.D. Shalamar, D.L. Bucholtz, and D.E. Stott. (2011) Nitrogen fertilizer and tillage management impacts on non-CO2 greenhouse emissions in corn/soybean and biomass cropping systems. Soil Science Society of America Journal. 75:1070-1082.

61. Hernandez-Ramirez, G.*, T.J. Sauer, J.L. Hatfield, and J.H. Prueger. (2011) Quantifying atmospheric stability conditions at a swine facility and an adjacent corn field in Iowa. Theoretical and Applied Climatology. 105:495–503.

62. Hernandez-Ramirez, G.*, S.M. Brouder, D.R. Smith, and G.E. Van Scoyoc. (2011) Nitrogen partitioning and utilization in corn cropping systems: rotation, N source, and N timing. European Journal of Agronomy 34:190–195

63. Schwen, A.*, Hernandez-Ramirez, G., E.J. Lawrence-Smith, S.M. Sinton, S. Carrick, B.E. Clothier, G.D. Buchan, and W. Loiskandl. (2011) Hydraulic properties and the water-conducting porosity as affected by subsurface compaction using tension infiltrometry. Soil Science Society of America Journal. 75:822-831

64. Hernandez-Ramirez, G.*, T.J. Sauer, C.A. Cambardella, J.R. Brandle, and D.E. James. (2011) Carbon sources and dynamics in afforested and cultivated corn belt soils. Soil Science Society of America Journal. 75:216–225

65. Sauer, T.J.*, Hernandez-Ramirez, G. Agroforestry. (2011). In: J.L. Hatfield and T.J. Sauer (eds.). Soil management: building a stable base for agriculture. ASA-SSSA, US. pp 351–370.

66. Logsdon, S.D.*, T.J. Sauer, Hernandez-Ramirez, G., J.L. Hatfield, A. Kaleita-Forbes, and J.H. Prueger. (2010) Effect of corn or soybean row position on soil water. Soil Science. 175:530-534.

67. Singer, J.W.*, J.L. Heitman, Hernandez-Ramirez, G., T.J. Sauer, J.H. Prueger, and J.L. Hatfield. (2010) Contrasting methods for estimating evapotranspiration in soybean. Agricultural Water Management 98:157–163.

68. Logsdon, S.D.*, K.E. Schilling, Hernandez-Ramirez, G., J.H. Prueger, J.L. Hatfield, and T.J. Sauer. (2010) Field estimation of specific yield in a Central Iowa crop field. Hydrological processes 24:1369-1377

69. Hernandez-Ramirez, G.*, J.L. Hatfield, J.H. Prueger, and T.J. Sauer. (2010) Energy balance and turbulent flux partitioning in a corn-soybean rotation in the Midwestern U.S. Theor. Appl. Climatol. 100:79-92

70. Logsdon, S.D.*, Hernandez-Ramirez, G., J.L. Hatfield, T.J. Sauer, J.H. Prueger, and K.E. Schilling. (2009) Soil water and shallow groundwater relations in an agricultural hillslope. Soil Science Society of America Journal. 73:1461-1468.

71. Sauer, T.J., S.R. Compston, C.P. West, Hernandez-Ramirez, G.*, E.E. Gbur, and T.B. Parkin. (2009) Nitrous oxide emissions from a bermudagrass pasture in Arkansas: poultry litter and interseeded winter rye. Soil Biology and Biochemistry. 41:1417-1424

72. Hernandez-Ramirez, G.*, Brouder, S.M., Smith, D.R., Van Scoyoc, G.E., Michalski, G. (2009) Nitrous oxide production in an Eastern Corn Belt soil: sources and redox range. Soil Science Society of America Journal. 73:1182-1191

73. Hernandez-Ramirez, G., Brouder, S.M.*, D.R. Smith, and G.E. Van Scoyoc. (2009) Greenhouse gas fluxes in an Eastern Corn Belt soil: weather, N source and rotation. Journal of Environmental Quality 38:841-854.

74. Hernandez-Ramirez, G., Brouder, S.M.*, D.R. Smith, and G.E. Van Scoyoc. (2009) Carbon and nitrogen dynamics in an Eastern Corn Belt soil: N source and rotation. Soil Science Society of America Journal. 73:128-137