Table 1.

Mean sums of diameters of roots emerging from below the 32-cm soil depth (depth of the excavated pits) on rootballs of a 7-block subset of southwestern black cherry trees for each of the four factorial treatments.^¹

Factorial treatment		n	Mean sums of diameters of roots at depth increments of 10 cm
Root-ball depth (cm)	Root-ball casing	n	32-42	42-52	52-62	62-72	Total
			— — — — — — — —(cm)— — — — — — — —
35	Without	7	35.7				35.7
35	With	7	50.1				50.1
70	Without	7	17.7	19.7	5.7	6.3	49.4
70	With	7	15.6	20.2	13.2	1.0	49.9

↵¹ Means for variables have not been statistically analyzed because the data are from non-random trees.