Establish a critical nitrogen dilution curve to develop a framework for estimating maize in-season nitrogen requirement across maize cultivars and regions - Pengfei Wen; Peimeng Gao; Jinghui Wang; Shilong Liu; Chenkai Gao; Ke Wu; Xiaokang Guan; TongChao Wang; Zhiqiang Tian; Xiaoliang Qin (Field Crops Research, 2026)