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Fig. 1 Soil water potential of semi-winter wheat cultivars Yangmai 158 (A) and Yangmai 931 (B) in the pot experiment and winter wheat cultivar Yanfu 188 (C) in the field experiment when controlled soil drying was applied. Symbols NN and HN indicate normal and high levels of N application at heading time, and WW, MD, SD, and WS are well watered, mildly dried, severely dried (for the pot experiment), and water stressed (for the field experiment) during the grain filling. Vertical bars represent ± SE of the mean
where values exceed the size of the symbol
