Bobbi Helgason
Bobbi Helgason
Department of Soil Science, University of Saskatchewan
Verified email at usask.ca - Homepage
Title
Cited by
Cited by
Year
No-till soil management increases microbial biomass and alters community profiles in soil aggregates
BL Helgason, FL Walley, JJ Germida
Applied Soil Ecology 46 (3), 390-397, 2010
2352010
Fungal and bacterial abundance in long‐term no‐till and intensive‐till soils of the Northern Great Plains
BL Helgason, FL Walley, JJ Germida
Soil Science Society of America Journal 73 (1), 120-127, 2009
1882009
Toward improved coefficients for predicting direct N 2 O emissions from soil in Canadian agroecosystems
BL Helgason, HH Janzen, MH Chantigny, CF Drury, BH Ellert, ...
Nutrient Cycling in Agroecosystems 72 (1), 87-99, 2005
1402005
Long-term no-till management affects microbial biomass but not community composition in Canadian prairie agroecosytems
BL Helgason, FL Walley, JJ Germida
Soil Biology and Biochemistry 42 (12), 2192-2202, 2010
1322010
Legacy effects of soil moisture on microbial community structure and N2O emissions
S Banerjee, B Helgason, L Wang, T Winsley, BC Ferrari, SD Siciliano
Soil Biology and Biochemistry 95, 40-50, 2016
1102016
A proposed approach to estimate and reduce net greenhouse gas emissions from whole farms
HH Janzen, DA Angers, M Boehm, M Bolinder, RL Desjardins, J Dyer, ...
Canadian journal of soil science 86 (3), 401-418, 2006
1042006
Predicting phosphorus availability from soil‐applied composted and non‐composted cattle feedlot manure
F Zvomuya, BL Helgason, FJ Larney, HH Janzen, OO Akinremi, BM Olson
Journal of environmental quality 35 (3), 928-937, 2006
922006
Microbial crop residue decomposition dynamics in organic and conventionally managed soils
MM Arcand, BL Helgason, RL Lemke
Applied Soil Ecology 107, 347-359, 2016
552016
Long-term microbial retention of residue C is site-specific and depends on residue placement
BL Helgason, EG Gregorich, HH Janzen, BH Ellert, N Lorenz, RP Dick
Soil Biology and Biochemistry 68, 231-240, 2014
532014
Litter decay controlled by temperature, not soil properties, affecting future soil carbon
EG Gregorich, H Janzen, BH Ellert, BL Helgason, B Qian, BJ Zebarth, ...
Global Change Biology 23 (4), 1725-1734, 2017
502017
Nitrogen dynamics in soil amended with composted cattle manure
BL Helgason, FJ Larney, HH Janzen, BM Olson
Canadian journal of soil science 87 (1), 43-50, 2007
482007
Microbial distribution in an eroded landscape: Buried A horizons support abundant and unique communities
BL Helgason, HJ Konschuh, A Bedard-Haughn, AJ VandenBygaart
Agriculture, ecosystems & environment 196, 94-102, 2014
372014
Nitrogenous gas emissions from soils and greenhouse gas effects
E Gregorich, HH Janzen, B Helgason, B Ellert
Advances in agronomy 132, 39-74, 2015
332015
Estimating carbon retention in soils amended with composted beef cattle manure
BL Helgason, FJ Larney, HH Janzen
Canadian Journal of Soil Science 85 (1), 39-46, 2005
332005
Cropland C erosion and burial: Is buried soil organic matter biodegradable?
AJ VandenBygaart, EG Gregorich, BL Helgason
Geoderma 239, 240-249, 2015
302015
Impact of Populus trees on the composition of organic matter and the soil microbial community in Orthic Gray Luvisols in Saskatchewan (Canada)
N Yannikos, P Leinweber, BL Helgason, C Baum, FL Walley, ...
Soil Biology and Biochemistry 70, 5-11, 2014
282014
Climate, carbon content, and soil texture control the independent formation and persistence of particulate and mineral-associated organic matter in soil
ML Haddix, EG Gregorich, BL Helgason, H Janzen, BH Ellert, MF Cotrufo
Geoderma 363, 114160, 2020
272020
Resource legacies of organic and conventional management differentiate soil microbial carbon use
MM Arcand, DJ Levy-Booth, BL Helgason
Frontiers in microbiology 8, 2293, 2017
272017
Endophytic root bacteria associated with the natural vegetation growing at the hydrocarbon-contaminated Bitumount Provincial Historic site
NP Blain, BL Helgason, JJ Germida
Canadian journal of microbiology 63 (6), 502-515, 2017
272017
Effect of mineral sediments on carbon mineralization, organic matter composition and microbial community dynamics in a mountain peatland
X Wang, B Helgason, C Westbrook, A Bedard-Haughn
Soil Biology and Biochemistry 103, 16-27, 2016
242016
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