In addition, the grain yield of CH58, but not XY22,
correlated with RW in deep soil layers (30-100 cm)
across all growth periodsstage, but the decrease was smaller under DP and DBP
treatments than under CK and SP.
In addition, the grain yield of CH58, but not XY22,
correlated with RW in deep soil layers (30-100 cm)
across all growth periods (Table 1 and Fig. 2), indicating
that during times of water stress the grain yield of the
drought-tolerant cultivar is dependent on the extent of
its roots in the deep soil layers.