Profitable malting barley (Hordeum vulgare L.) production systems are required to reverse the decline in area seeded to malting barley in western Canada. Systems that could increase the profitability of growing malting barley considered the previous crop, nitrogen (N) rate, and fungicide application. The net return (NR) and risk for these systems were computed from western Canada field data. Analysis of variance was used to evaluate the impact of systems on NR over 21 site-years of field data. Risk was evaluated with a stochastic simulation model. NR was higher and risk lower for malting barley when the preceding crop was field pea (Pisum sativum L.), when fungicide was applied at the flag leaf stage for leaf disease control, and when N was 50% of the recommended N rate. Therefore, malting barley should be grown on field pea stubble at a lower N rate, with fungicide applied when there are leaf diseases.
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1 June 2016
Influence of production systems on return and risk from malting barley production in western Canada
E.G. Smith,
T.K. Turkington,
J.T. O'Donovan,
M.J. Edney,
P.E. Juskiw,
R.H. McKenzie,
K.N. Harker,
G.W. Clayton,
K. Xi,
W.E. May,
R.B. Irvine,
S. Brandt,
E.N. Johnson,
S. Perkovic
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Canadian Journal of Plant Science
Vol. 96 • No. 3
June 2016
Vol. 96 • No. 3
June 2016
azote
culture antérieure
fongicide
fungicide
Malting barley
net return
nitrogen
