highly significantp < 0.001
Results Treatment Effects on Plant Traits Including cultivar group and N-level as fixed effects, N-level main effects were highly significant ( p < 0.001) for most traits (Table 2 ).
Results Treatment Effects on Plant Traits Including cultivar group and N-level as fixed effects, N-level main effects were highly significant ( p < 0.001) for most traits (Table 2 ).
A positive trend from 10 to 15% yield gain over check cultivars was observed for an early generation of hybrid cultivars (Perenzin et al., 1998 ).