Figure 1

Effects of tillage practice and irrigation regime on the dry root weight density of winter wheat in different soil layers. Note: a, b, c, d and e represent the soil layer of 0–20 cm, 20–40 cm, 40–60 cm, 60–80 cm and 80–100 cm, respectively.

Effects of tillage practice and irrigation regime on the dry root weight density of winter wheat in different soil layers. Note: a, b, c, d and e represent the soil layer of 0–20 cm, 20–40 cm, 40–60 cm, 60–80 cm and 80–100 cm, respectively.