Enhanced Efficiency Liquid Nitrogen Fertilizer Management for Corn Production

Table 2

The ANOVA table for corn plant heights at 84 and 168 kg·N·ha⁻¹.

Source of variation	df	27 May	1 June	8 June	15 June	22 June	30 June	6 July
		Pr > F	Pr > F	Pr > F	Pr > F	Pr > F	Pr > F	Pr > F
N application rate = 84 kg·N·ha^−1
Year	2	<0.0001^‡	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001
Timing	1	0.0909	0.2542	0.0502	0.0080	0.1304	0.4199	0.1464
Year × timing	2	0.1699	0.1770	0.0843	0.0021	0.0250	0.0054	<0.0001
SorcPlac^†	4	0.0878	0.0060	0.1925	0.1535	0.9851	0.0337	0.2099
Year × SorcPlac	8	0.5414	0.0543	0.1082	0.0937	0.7844	0.0257	0.1137
SorcPlac × timing	4	0.2358	0.1852	0.3019	0.2454	0.1515	0.2543	0.0973
Year × SorcPlac × timing	8	0.8873	0.1855	0.5453	0.6266	0.9517	0.9865	0.4783
N application rate = 168 kg·N·ha^−1
Year	2	<0.0001^‡	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001
Timing	1	0.0111	0.0001	0.3070	0.0071	0.0224	0.1618	0.1267
Year × timing	2	0.0010	<0.0001	0.1474	0.0030	0.0198	0.0207	<0.0001
SorcPlac^†	4	0.0001	0.0909	0.0113	0.0345	0.3286	0.1776	0.1033
Year × SorcPlac	8	0.0473	0.0759	0.0001	0.1302	0.3409	0.2188	0.0950
SorcPlac × timing	4	0.4751	0.0007	0.0361	0.1839	0.3107	0.1450	0.2826
Year × SorcPlac × timing	8	0.3364	0.0495	0.2730	0.5143	0.7584	0.4955	0.7226

^†Abbreviations: SorcPlac, source/placement. ^‡Numbers in bold represent Fisher’s protected least significant difference at .