highly significantp< 0.01
The results showed highly significant (p< 0.01) annual grain yield gains of 118, 63, 46, and 61 kg ha −1 year −1 under optimum, low N, managed drought, and random stress conditions, respectively.
The results showed highly significant (p< 0.01) annual grain yield gains of 118, 63, 46, and 61 kg ha −1 year −1 under optimum, low N, managed drought, and random stress conditions, respectively.