Soil water transformation regularity of farmland for typical crop in Beijing-Tianjin-Hebei region: Experimental and simulating analysesChuiyu Lu, Qingyan Sun, Guoliang Cao, Qinghua Luan, Lingjia Yan, Bo Zhang, Tianchen Li and Bin LaiMATEC Web Conf., 246 (2018) 01061DOI: https://doi.org/10.1051/matecconf/201824601061