Table 1.
Soil physical properties the experimental zone.
Table 2.
Irrigation time of alfalfa.
Fig 1.
Increment of water content in different soil layers the day after irrigation.
Fig 2.
Coefficient of variation of water content in different soil layers (It was stable layer in 60–100cm).
Fig 3.
Distribution of root weight density in different soil layers at flowering stage.
Fig 4.
Root weight density ratio in different soil layers at flowering stage of alfalfa.
Fig 5.
SPAD value of alfalfa during one fertility period.
Table 3.
Water consumption intensity under different treatments during one fertility period.
Table 4.
Mean value of dry yield and water use efficiency of the two experimental years.