highly significantp < 0.01
Nitrogen application treatments had no significant effect ( p < 0.01) on leaf N content at the flowering stage but reached a highly significant level ( p < 0.01) for the rest of the reproductive stages.
Nitrogen application treatments had no significant effect ( p < 0.01) on leaf N content at the flowering stage but reached a highly significant level ( p < 0.01) for the rest of the reproductive stages.