Factor | foundation | Tolerances registered | certified |
Pure seed | none | 99% (min.) | 99% (min.) |
Varietal mixture | 1 seed (max. per lb.) | 2 seeds (max. per lb.) | 10 seeds (max. per lb.) |
Other crops | 1 seed (max. per lb.) | 1 seed (max. per lb.) | 5 seeds (max. per lb.) |
Weed seeds | 5 seeds (max. per lb.) | 5 seeds (max. per lb.) | 10 seeds (max. per lb.) |
Germination: | |||
Wheat and Barley | none | 90% (min.) | 90% (min.) |
Oats | none | 85% (min.) | 85% (min.) |
Rye | none | 80% (min.) | 80% (min.) |
Foundation class-9 seeds per pound
Registered class-18 seeds per pound
Certified class-36 seeds per pound
7 Pa. Code § 115.306