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Ivan O'Halloran
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Seasonal changes of arbuscular mycorrhizal fungi as affected by tillage practices and fertilization: hyphal density and mycorrhizal root colonization
Z Kabir, IP O'halloran, JW Fyles, C Hamel
Plant and Soil 192 (2), 285-293, 1997
2791997
Total and organic phosphorus
IP O'Halloran, BJ Cade-Menun
Soil sampling and methods of analysis, 213-229, 1993
1691993
Total and Organic Phosphorus
IP O'Halloran, BJ Cade-Menun
Soil Sampling and Methods of Analysis, Second Edition, 2007
159*2007
Vertical distribution of arbuscular mycorrhizal fungi under corn (Zea mays L.) in no-till and conventional tillage systems
Z Kabir, IP O'halloran, P Widden, C Hamel
Mycorrhiza 8, 53-55, 1998
1391998
Dynamics of the mycorrhizal symbiosis of corn (Zea mays L.): effects of host physiology, tillage practice and fertilization on spatial distribution of extra-radical mycorrhizal …
Z Kabir, IP O'Halloran, JW Fyles, C Hamel
Agriculture, ecosystems & environment 68 (1-2), 151-163, 1998
1291998
Soil Tests as Risk Indicators for Leaching of Dissolved Phosphorus from Agricultural Soils in Ontario
YT Wang, TQ Zhang, IP O'Halloran, CS Tan, QC Hu, DK Reid
Soil Science Society of America Journal 76 (1), 220-229, 2012
1122012
Sodium bicarbonate-extractable phosphorus
JJ Schoenau, IP O’Halloran
Soil sampling and methods of analysis, 89, 2007
1052007
Options for improved phosphorus cycling and use in agriculture at the field and regional scales
KD Schneider, JR Thiessen Martens, F Zvomuya, DK Reid, TD Fraser, ...
Journal of Environmental Quality 48 (5), 1247-1264, 2019
1012019
Absorption of P by corn (Zea mays L.) as influenced by soil disturbance
IP O'HALLORAN, MH Miller, G Arnold
Canadian journal of soil science 66 (2), 287-302, 1986
981986
Influence of texture and management practices on the forms and distribution of soil phosphorus
JWB STEWART, IP O'HALLORAN, RG Kachanoski
Canadian journal of soil science 67 (1), 147-163, 1987
871987
Combined effects of soil disturbance and fallowing on plant and fungal components of mycorrhizal corn (Zea mays L.)
Z Kabir, IP O'Halloran, C Hamel
Soil Biology and Biochemistry 31 (2), 307-314, 1999
811999
Spatial variability of soil test phosphorus, potassium, and pH of Ontario soils
JD Lauzon, IP O'Halloran, DJ Fallow, AP von Bertoldi, D Aspinall
Agronomy Journal 97 (2), 524-532, 2005
802005
Estimating dissolved reactive phosphorus concentration in surface runoff water from major Ontario soils
YT Wang, TQ Zhang, QC Hu, CS Tan, IPO Halloran, CF Drury, DK Reid, ...
Journal of environmental quality 39 (5), 1771-1781, 2010
782010
Overwinter survival of arbuscular mycorrhizal hyphae is favored by attachment to roots but diminished by disturbance
Z Kabir, IP O'Halloran, C Hamel
Mycorrhiza 7, 197-200, 1997
711997
Kinetics of phosphorus forms applied as inorganic and organic amendments to a calcareous soil
Y Audette, IP O'Halloran, RP Voroney
Geoderma 262, 119-124, 2016
702016
Spatial variability of soil phosphorus as influenced by soil texture and management
IP O'HALLORAN, RG Kachanoski, JWB Stewart
Canadian journal of soil science 65 (3), 475-487, 1985
701985
Seasonal and event‐based drivers of runoff and phosphorus export through agricultural tile drains under sandy loam soil in a cool temperate region
WV Lam, ML Macrae, MC English, IP O'halloran, JM Plach, Y Wang
Hydrological Processes 30 (15), 2644-2656, 2016
572016
Effects of tillage practices on phosphorus transport in tile drain effluent under sandy loam agricultural soils in Ontario, Canada
WV Lam, ML Macrae, MC English, IP O'Halloran, YT Wang
Journal of Great Lakes Research 42 (6), 1260-1270, 2016
522016
Effect of tillage and fertilization on inorganic and organic soil phosphorus
IP O'Halloran
Canadian Journal of Soil Science 73 (3), 359-369, 1993
521993
Ammonia volatilization from liquid hog manure amended with paper products in the laboratory
S Subair, JW Fyles, IP O'Halloran
Journal of environmental quality 28 (1), 202-207, 1999
511999
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Articles 1–20