Fig. 2. Seed yield of seven short-season soybean cultivars and their year of release over a series of seeding rates (Exp. 2) from trials grown on a) clay loam and b) sandy loam in 1999; and c) clay loam and d) sandy loam in 2000 at Ottawa, ON. Least Significant Differences (0.05) between any two cultivar by seeding rate means for 1999 clay loam and sandy loam are 548 and 567 and for 2000 clay loam and sandy loam are 596 and 516, respectively.