Xufei Bi

Effects of Supplemental Drip Fertigation on Grain Yield and Water and Nitrogen Use Efficiencies of Spring Maize in the Dryland Farming Region of the Eastern Loess Plateau

Water–nitrogen mismatch constrains stable and resource-efficient spring maize production in the eastern Loess Plateau. A two-year field experiment was conducted in Jinzhong, Shanxi Province, China, during 2024–2025. Supplemental irrigation was applied three, four, or five times i...