Table 1.

Mean percentage of nutrient content of needles of symptomless and chlorotic trees.

	symptomless trees		chlorotic trees
	N1	N2	N1	N2
N	1.22	1.13	1.25	1.10
P	0.17	0.14	0.18	0.14
K	0.40	0.31	0.23	0.16
Ca	0.30	0.46	0.19	0.33
Mg	0.10.	0.11	0.09	0.10
Mn	0.05	0.06	0.04	0.06

N1 =1-year-old needles
N2 = 1 -year-old needles