Research Article

Evaluation of Two Irrigation Scheduling Methods and Nitrogen Rates on Corn Production in Alabama

Table 6

Grain yield and aboveground biomass differences between years and N rates (0, 202, 269, and 336 kg ha−1) at the TVREC.

N rate (kg ha)Grain yield (Mg ha−1)Aboveground biomass (Mg ha−1)
201420152015
MeanSE ǂMeanSEMeanSE

07.620.525.52c0.3612.56b0.79
20213.53a0.5212.54b0.3615.79a0.79
26914.23a0.5213.22ba0.3614.65ba0.79
33613.80a0.5213.81a0.3617.18a0.79

ǂStandard error. §Numbers at the same column followed by the same letter are nonsignificant at .