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Barley Seeding Rate at Carrington
In barley seeding rate trials at Carrington (Tables 1), optimum yield was obtained at 1 million seeds (pure live seed basis) per acre, however; in seeding rate trials at Minot (Table 2) optimum yield was achieved at seeding rates above 1.5 million seeds per acre.
A seeding rate of 1 to 1.5 million live seeds per acre will insure optimum yield. Any reduction in protein associated with increased seeding rate is favorable in a malting barley.
| Table 1. 1992-93 barley seeding rate trial (dryland), Carrington Research Extension Center | |||
| Seeding Rate (PLS) seeds/A |
Grain Yield bu/A |
Protein % |
Test Weight lb/bu |
| 800,000 | 70.2 | 13.1 | 45.8 |
| 1,000,000 | 75.5 | 13.0 | 44.9 |
| 1,200,000 | 73.4 | 13.3 | 44.9 |
| 1,400,000 | 72.1 | 13.4 | 44.8 |
| 1,600,000 | 74.0 | 13.3 | 44.9 |
| 1,800,000 | 73.5 | 13.2 | 44.4 |
| 2,000,000 | 75.8 | 13.1 | 44.8 |
Stark a.d) Azure: 7-inch row spacing
| Table 2. Barley seeding rate trial (1991-94) at North Central Research Extension Center | |||
| Seeding Rate | Grain Yield | Protein | Test Weight |
| Seeds/A | bu/A | % | lb/bu |
| 500,000 | 66 | 13.0 | 49.7 |
| 1,000,000 | 74 | 12.6 | 50.1 |
| 1,500,000 | 73 | 12.7 | 49.2 |
| 2,000,000 | 77 | 12.4 | 49.0 |
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