In an experiment on three species of citrus trees the ratio of leaf area to dry weight was determined for three conditions of shading.
Shading
Sun
Half
shade
shade
Orange
112
86
80
Grapefruit
90
73
62
Pear
123
89
81
Set up the two way analysis of variance table and test for significance for the type of
shading and type of citrus tree, using a = 0.05.​