Response of Two Maize (Zea mays L.) Varieties to Times of NPK (15-15-15) Fertilizer Application

Table 4

Analysis of variance for yield components as influenced by varietal, time of fertilizer application, and interaction effects during the 2021 growing season.

Source of variation	df	Cob length (cm)	NGCOB	1000 SW (g)	Grain yield (tons/ha)
Variety (V)	1	0.028	0.001	0.001	0.001
Time of fertilizer application (T)	3	0.165	0.588	0.755	0.592
V × T	3	0.365	0.131	0.166	0.246
Residual	14
Total	23
Std. error		1.30	29.96	19.14	0.69
CV (%)		8.8	7.3	5.6	13.7

Significant at ; Significant at ; df, degree of freedom.