Table 6.

Effect of fertilization on chlorophyll content (mg ^* cm⁻²) of Liquidambar styraciflua L. trees.

Treatment	2002	2003	2004
Control	19.40 b^*	18.18 b	17.56 a
1 Fertilization	20.44 a	19.09 a	17.66 a
2 Fertilization	20.65 a	19.81 a	17.94 a

↵* Values differ significantly when followed by different letters at P ≤ 0.05 (LSD test).