451 Slough Grass Poland Seed 950.00 1,000.00 900.00 Calculated value The yield is based on mean of seed yield between 3 years (200920102011) with different sowing quantity and different row spacing. The maximum yield (20 cm row spacing) of 990 kg/ha is rounded to 1000 kg/ha. The minimum yield (30 cm row spacing) is 900 kg/ha. Noted that both yield is from same parameter of 16.0 kg x ha-1 sowing quantity. 1,758