In Experiments with the Prairie Grass Andropogon, Root:shoot Ratios Proved

Multiple Choice

In experiments with the prairie grass Andropogon, root:shoot ratios proved to be

A) higher in plants grown in poor soils.
B) lower in plants grown in poor soils.
C) equal in plants grown in poor and rich soils.
D) higher in plants grown with mycorrhizae.
E) equal in plants grown with and without mycorrhizae.