After Reviewing the Graph Below, One Could State That

Multiple Choice

After reviewing the graph below, one could state that:

A) grain yield of strain 1 is less dependent than strain 2 on the nitrogen enrichment of the soil.
B) at a nitrogen enrichment of 40 kg/hectare, strain 2 provides a higher yield of grain.
C) nitrogen enrichment has little effect on grain yield of strain 2.
D) strain 1 is the superior choice for grain yield.
E) no interaction effect is observed between nitrogen enrichment and grain yield for either strain.