Search Results - "Irvine, R.B."

Soil microbial biomass, functional diversity and enzyme activity in glyphosate-resistant wheat–canola rotations under low-disturbance direct seeding and conventional tillage by Lupwayi, N.Z., Hanson, K.G., Harker, K.N., Clayton, G.W., Blackshaw, R.E., O’Donovan, J.T., Johnson, E.N., Gan, Y., Irvine, R.B., Monreal, M.A.

“…As glyphosate-resistant (GR) crops are becoming common in agro-ecosystems, their effects on non-target soil organisms need to be monitored. We evaluated soil…”
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Enhanced nitrogen management strategies for winter wheat production in the Canadian prairies by Beres, B.L, Graf, R.J, Irvine, R.B, O’Donovan, J.T, Harker, K.N, Johnson, E.N, Brandt, S, Hao, X, Thomas, B.W, Turkington, T.K, Stevenson, F.C

“…To address knowledge gaps around enhanced efficiency urea fertilizer efficacy for nitrogen (N) management, a study was designed to improve integrated nutrient…”
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Nitrogen source and placement effects on stand density, pasmo severity, seed yield, and quality of no-till flax by Grant, C.A, McLaren, D, Irvine, R.B, Duguid, S.D

“…Field studies were conducted at two locations in western Manitoba over three years to evaluate the impact of rate, source, and placement of nitrogen (N)…”
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Effects of alternative management practices on the economics, energy and GHG emissions of a wheat–pea cropping system in the Canadian prairies by Khakbazan, M., Mohr, R.M., Derksen, D.A., Monreal, M.A., Grant, C.A., Zentner, R.P., Moulin, A.P., McLaren, D.L., Irvine, R.B., Nagy, C.N.

“…In recent years alternative farming practices have received considerable attention from Canadian producers as a means to improve their net return from grain…”
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Correction: Enhanced nitrogen management strategies for winter wheat production in the Canadian prairies by Beres, B.L, Graf, R.J, Irvine, R.B, O’Donovan, J.T, Harker, K.N, Johnson, E.N, Brandt, S, Hao, X, Thomas, B.W, Turkington, T.K, Stevenson, F.C

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Influence of production systems on return and risk from malting barley production in western Canada by Smith, E.G, Turkington, T.K, O'Donovan, J.T, Edney, M.J, Juskiw, P.E, McKenzie, R.H, Harker, K.N, Clayton, G.W, Xi, K, May, W.E, Irvine, R.B, Brandt, S, Johnson, E.N, Perkovic, S

“…Profitable malting barley (Hordeum vulgare L.) production systems are required to reverse the decline in area seeded to malting barley in western Canada…”
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Preceding crop and phosphorus fertilization affect cadmium and zinc concentration of flaxseed under conventional and reduced tillage by Grant, Cynthia A, Monreal, Marcia A, Irvine, R. B, Mohr, Ramona M, McLaren, Debra L, Khakbazan, Mohammad

“…Field studies were conducted over 4 years at two locations in Manitoba, Canada to evaluate effects of preceding crop, tillage and phosphorus (P) fertilization…”
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Nitrogen Fertilizer and Urease Inhibitor Effects on Canola Emergence and Yield in a One-Pass Seeding and Fertilizing System by Grant, C.A, Derksen, D.A, McLaren, D, Irvine, R.B

“…Field studies were conducted over 3 yr at two locations on the eastern Canadian prairies to evaluate the impact of urea and urea ammonium nitrate (UAN) placed…”
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Crop management effect on arbuscular mycorrhizae and root growth of flax by Monreal, M. A, Grant, C. A, Irvine, R. B, Mohr, R. M, McLaren, D. L, Khakbazan, M

“…Monreal, M. A., Grant, C. A., Irvine, R. B., Mohr, R. M., McLaren, D. L. and Khakbazan, M. 2011. Crop management effect on arbuscular mycorrhizae and root…”
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Crop response to current and previous season applications of phosphorus as affected by crop sequence and tillage by Grant, C.A, Monreal, M.A, Irvine, R.B, Mohr, R.M, McLaren, D.L, Khakbazan, M

“…Field studies were conducted over a 4-yr period at two locations in western Manitoba, Canada, to evaluate the effect of phosphorus (P) fertilizer management on…”
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Impact of production practices on fiber yield of oilseed flax under Canadian prairie conditions by Irvine, R.B, McConnell, J, Lafond, G.P, May, W.E, Hultgreen, G, Ulrich, A, Stonehouse, K, Chalmers, S, Stevenson, F.C

“…Flax (Linum usitatissimum L.) cultivars commonly grown in western Canada have been developed primarily for seed production. These cultivars tend to be shorter,…”
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Alternative nitrogen management options for winter wheat on the eastern prairies of western Canada by Irvine, R.B, Lafond, G.P, May, W.E, Kutcher, H.R, Holzapfel, C.B

“…Since fertilizer-grade ammonium nitrate is no longer available for general use in Canada, there is much discussion about the best management practices to…”
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Influence of alternative management methods on the economics of flax production in the Black Soil Zone by Khakbazan, M, Grant, C.A, Irvine, R.B, Mohr, R.M, McLaren, D.L, Monreal, M

“…Studies were conducted at two locations on two Orthic Black Chernozemic soils over 4 yr to evaluate the economic effects of tillage system, preceding crop,…”
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Persistence of glyphosate-resistant canola in western Canadian cropping systems by Harker, K.N, Clayton, G.W, Blackshaw, R.E, O'Donovan, J.T, Johnson, E.N, Gan, Y, Holm, F.A, Sapsford, K.L, Irvine, R.B, Van Acker, R.C

“…Canola (Brassica napus L.) is the most important oilseed crop in western Canada. Its prevalence across the Canadian Prairies influences the occurrence and…”
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Regions of the genome that affect grain and malt quality in a North American two-row barley cross by Mather, D.E. (McGill University, Ste-Anne-de-Bellevue, QC.), Tinker, N.A, LaBerge, D.E, Edney, M, Jones, B.L, Rossnagel, B.G, Legge, W.G, Briggs, K.G, Irvine, R.B, Falk, D.E

“…Malting is an important end use of barley (Hordeum vulgare L.). The suitability of barley for malting depends on numerous quality characteristics, all of which…”
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Glyphosate-resistant spring wheat production system effects on weed communities by Harker, K. Neil, Clayton, George W., Blackshaw, Robert E., O'Donovan, John T., Lupwayi, Newton Z., Johnson, Eric N., Gan, Yantai, Zentner, Robert P., Lafond, Guy P., Irvine, R. Byron

“…Glyphosate-resistant (GR) crops are produced over large areas in North America. A study was conducted at six western Canada research sites to determine seed…”
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Glyphosate-resistant wheat persistence in western Canadian cropping systems by Harker, K. Neil, Clayton, George W., Blackshaw, Robert E., O'Donovan, John T., Johnson, Eric N., Gan, Yantai, Holm, Frederick A., Sapsford, Ken L., Irvine, R. Byron, Van Acker, Rene C.

“…As a weed, wheat has recently gained greater profile. Determining wheat persistence in cropping systems will facilitate the development of effective volunteer…”
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Effect of nitrogen fertilizer rate, herbicide rate and soil disturbance at seeding on the productivity of a wheat-pea rotation by Mohr, R.M, Derksen, D.A, Grant, C.A, McLaren, D.L, Monreal, M.A, Moulin, A.M, Khakbazan, M, Irvine, R.B

“…Rotational productivity is a function of the rotational crops and their interactions, as well as the management employed. Understanding the functioning of the…”
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Evaluation of sainfoin-alfalfa mixtures of forage production and compatibility at a semi-arid location in southern Saskatchewan by Jefferson, P.G, Lawrence, T, Irvine, R.B, Kielly, G.A

“…Alfalfa (Medicago sativa L.) is an adapted pasture legume for the semi-arid region of western Canada but its use is restricted because of ruminant bloat…”
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Alfalfa (Medicago sativa L. and Medicago falcata L.) cultivar X row spacing interaction on yield at a semiarid environment in southwestern Saskatchewan by Irvine, R.B, Jefferson, P.G

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