Consequences of Ontario P index recommendations for reduced manure and fertilizer phosphorus applications on corn yields and soil phosphorus von Ribey, M.A, O'Halloran, I.P

Volltext

Characterization of sedimentary phosphorus in Lake Erie and on-site quantification of internal phosphorus loading von Wang, Y.T., Zhang, T.Q., Zhao, Y.C., Ciborowski, J.J.H., Zhao, Y.M., O'Halloran, I.P., Qi, Z.M., Tan, C.S.

Volltext

Seasonal changes of arbuscular mycorrhizal fungi as affected by tillage practices and fertilization: hyphal density and mycorrhizal root colonization von Kabir, Z. (McGill Univ., Ste-Anne-de-Bellevue, Que. (Canada). Dept. of Natural Resource Sciences), O'Halloran, I.P, Fyles, J.W, Hamel, C

Volltext

A phosphorus sorption index and its use to estimate leaching of dissolved phosphorus from agricultural soils in Ontario von Wang, Y.T., Zhang, T.Q., O'Halloran, I.P., Tan, C.S., Hu, Q.C.

Volltext

Soil Tests as Risk Indicators for Leaching of Dissolved Phosphorus from Agricultural Soils in Ontario von Wang, Y.T, Zhang, T.Q, O'Halloran, I.P, Tan, C.S, Hu, Q.C, Reid, D.K

Volltext

Effects of tillage practices on phosphorus transport in tile drain effluent under sandy loam agricultural soils in Ontario, Canada von Lam, W.V., Macrae, M.L., English, M.C., O'Halloran, I.P., Wang, Y.T.

Volltext

Combined effects of soil disturbance and fallowing on plant and fungal components of mycorrhizal corn ( Zea mays L.) von Kabir, Z, O'Halloran, I.P, Hamel, C

Volltext

Phosphorus Sorption Parameters of Soils and Their Relationships with Soil Test Phosphorus von Wang, Y.T., O'Halloran, I.P., Zhang, T.Q., Hu, Q.C., Tan, C.S.

Volltext

Agronomic and environmental soil phosphorus tests for predicting potential phosphorus loss from Ontario soils von Wang, Y.T., Zhang, T.Q., O'Halloran, I.P., Hu, Q.C., Tan, C.S., Speranzini, D., Macdonald, I., Patterson, G.

Volltext

Soil Testing to Predict Dissolved Reactive Phosphorus Loss in Surface Runoff from Organic Soils von Zheng, Z.M., Zhang, T.Q., Wen, G., Kessel, C., Tan, C.S., O'Halloran, I.P., Reid, D. K., Nemeth, D., Speranzini, D.

Volltext

Agricultural phosphorus balance trends in Ontario, Michigan and Ohio von Bruulsema, T. W, Mullen, R. W, O'Halloran, I. P, Warncke, D. D

Volltext

Spatial variability of soil test phosphorus, potassium, and pH of Ontario soils von Lauzon, J.D, O'Halloran, I.P, Fallow, D.J, Bertoldi, A.P. von, Aspinall, D

Volltext

Temporal patterns of soil phosphorus release to runoff during a rainfall event as influenced by soil properties and its effects on estimating soil P losses von Wang, Y. T, Zhang, T. Q, Hu, Q. C, O'Halloran, I. P, Tan, C. S, Reid, K

Volltext

Effect of herbicide residues on fall-seeded cover crops influence soil aggregate stability and mineral N von Rojas, M.A, Eerd, L.L. Van, O’Halloran, I.P, Sikkema, P.H, Robinson, D.E

Volltext

Transgene and mitochondrial DNA are indicators of efficient composting of transgenic pig carcasses von Murray, Dave, Meidinger, Roy G., Golovan, Serguei P., Phillips, John P., O’Halloran, Ivan P., Fan, Ming Z., Hacker, Roger R., Forsberg, Cecil W.

Volltext

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 hy... von Kabir, Z, O'Halloran, I.P, Fyles, J.W, Hamel, C

Volltext

Predicting soil organic matter content in southwestern Ontario fields using imagery from high-resolution digital cameras von Gregory, S.D.L, Lauzon, J.D, O'Halloran, I.P, Heck, R.J

Volltext

Effect of nitrogen fertilization and topography on soft red winter wheat yield and protein content in two Ontario landscapes von Denys, C.J, O'Halloran, I.P, Lauzon, J.D

Volltext

Spatial variability of barley (Hordeum vulgare) and corn (Zea mays L.) yields, yield response to fertilizer N and soil N test levels von O'Halloran, I.P, von Bertoldi, A.P, Peterson, S

Volltext

Ammonia volatization from liquid hog manure amended with paper products in the laboratory von Subair, S, Fyles, J.W, O'Halloran, I.P

Volltext