Grain yield, evapotranspiration, and water-use efficiency of maize hybrids differing in drought tolerance

Adoption of drought-tolerant (DT) hybrids is a viable strategy for maize production in drought-prone environments. We conducted four-year field studies (2011–2014) to investigate yield, crop evapotranspiration (ETc), and water-use efficiency (WUE) in one conventional (N58L) and one DT hybrid (N59B-DT) under three water regimes (I100, I75, and I50, where the subscripts were the percentage of irrigation applied relative to meeting full ETc) and...