Table 3.

Genotypic yield variability of the eight maize hybrids for each growing condition. Values are means ± standard error. Level of significance: **, p< 0.01. Treatments: CA, conservation agriculture; CP, conventional agriculture; LD, low density; HD, high density.

	CA	CP	LD	HD
SC513	2.50 ± 0.18	1.52 ± 0.19	2.12 ± 0.34	1.90 ± 0.20
SC621	2.32 ± 0.18	2.60 ± 0.39	2.54 ± 0.19	2.38 ± 0.40
PAN53	3.26 ± 0.13	2.71 ± 0.36	2.82 ± 0.23	3.16 ± 0.33
30G19	2.52 ± 0.15	2.12 ± 0.34	2.22 ± 0.26	2.42 ± 0.29
Zap55	3.72 ± 0.18	3.03 ± 0.39	3.23 ± 0.36	3.52 ± 0.31
Pristine	601	3.16 ± 0.26	2.02 ± 0.37	2.19 ± 0.39	2.98 ± 0.34
PGS61	3.23 ± 0.25	2.61 ± 0.29	2.76 ± 0.25	3.07 ± 0.34
Zap61	3.24 ± 0.29	2.74 ± 0.53	2.95 ± 0.51	3.03 ± 0.35
p-value	0.001**	0.147	0.155	0.007**