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Barley Response to Planting Rate in
Northeastern North Dakota
Replanting Barley Discussion
Established plant populations below 17 plants per square foot may require a replanting decision. Barley has a great ability to compensate for low stands by increased tillering. Research indicates that replanting at stands as low as 10 plants per square foot may not be a good economic choice. A producer who assumes a yield potential of 60 bushels per acre can expect a yield loss of 4.2 bushels per acre (7 percent) at 10 plants per square foot. At $2.00 per bushel this would equal an $8.50 loss per acre. Potential yield loss from late planting (at least a two-week delay), in addition to seed, tillage and labor costs, may easily raise replanting cost above returns. Weed control costs, however, may increase if low plant stands are left. Producers must carefully consider these factors before replanting.
Bryan K. Hanson
Associate Agronomist
Langdon Research Center
John R. Lukach
Superintendent
Langdon Research Center
Reference: ND Farm Research, Vol. 49 (5), Summer 1992
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