Table 1.

Effect of turf competition and fertilizer application on trunk diameter of ‘Skyline’ honeylocust^{^y}

Treatment	New growth 1980 (cm)	Total growth 1980-81 (cm)	Total diameter increase %
Fertilizer (g/tree)
Nitroform 227	0.18	1.27	53.2
454	0.20	1.31	54.5
ProGrow 278	0.24	1.27	51.2
556	0.26	1.09	48.4
Control	0.24	0.83	33.2
Turf clearing
yes	0.24	1.18	49.0
no	0.21	1.13	46.6
LSD (5%)
FT^{^z}	n,s.	0.16	19.0
TC	n.s.	n.s.	n.s.
FT × TC	n.s.	n.s.	n.s.