A Wajid, A Ghaffar, M Maqsood, K Hussain, W Nasim - Pak. J. Agri. Sci, 2007 - Citeseer
A field trial was conducted to evaluate the effect of three nitrogen levels (N1@ 150 kg ha-1,
N2@ 200 kg ha-1, N3@ 250 kg ha-1) and three maize cultivars B-202, M-919 and P-31-R …