Table 3.

Effect of nitrogen application on leaf thickness of super early-season rice (mm).

Cultivar	N Treatment	Tillering	Panicle initiation
		Uppermost leaf	Upmost leaf	Top 2nd leaf	Top 3rd leaf
ZZ39	CK	0.165 ± 0.018 a	0.193 ± 0.008 a	0.176 ± 0.022 a	0.178 ± 0.013 a
	N150	0.163 ± 0.012 a	0.191 ± 0.022 a	0.198 ± 0.017 a	0.171 ± 0.008 a
LLY268	CK	0.136 ± 0.005 a	0.181 ± 0.013 a	0.162 ± 0.016 a	0.153 ± 0.022 a
	N150	0.143 ± 0.007 a	0.193 ± 0.010 a	0.173 ± 0.036 a	0.175 ± 0.006 a

Different letters show significant differences between nitrogen applications at 5% probability level. Tillering stage data was measured on May 22, panicle initiation stage date was measured on June 4. 6 replications were measured for each treatment.