Table 4.

Percent nitrogen derived from fertilizer (NDFF) in common hackberry tissues at Arlington, WI, and Lisle, IL in 2002.

Tissue	Trt (g)	Arlington, WI Days after Treatment				Lisle, IL Days after Treatment
Tissue	Trt (g)	14	30	60	90	14	30	60	90
Foliage	1.42	6.5^{^z^y^x}	9.4	7.7	5.2	6.8	4.9	4.7	2.4
Foliage	4.27	16.7	24.7	20.1	18.0	19.7	18.3	12.4	14.3
Current Stem Wood	1.42	5.3	7.7	6.2	5.4	5.7	3.6	4.1	2.6
Current Stem Wood	4.27	16.7	20.9	14.7	16.9	15.6	13.8	9.4	11.2
Stem Wood	1.42	2.0	4.0	4.0	4.5	1.2	1.0	1.4	1.3
Stem Wood	4.27	6.1	13.0	11.9	13.7	4.3	4.1	4.1	5.4
Root	1.42	5.3	7.0	7.3	6.4	1.7	1.6	2.8	1.6
Root	4.27	15.2	18.6	18.1	14.2	4.4	4.1	5.5	6.9

↵^zValues are the adjusted means of n = 5.
↵^yBack-transformed values.
↵^xAll treatment comparisons within a tissue type were significant at P ≤ 0.01 for all harvest periods.