Table 1 Jujube growing conditions in China

From: The historical and current research progress on jujube–a superfruit for the future

Climatic condition

Soil condition

Items

Value

Items

Value

Annual average temperature (°C)

5.5–22

Depth (cm)

≥30

Average temperature in the flowering season (°C)

≥22–24

pH

4.5–8.4

Minimum temperature (°C)

≥−38.2 °C

NaCl (%)

≤0.15

Frost-free days (d)

≥120

Na2CO3 (%)

≤0.3

Annual rainfall (mm)

20–2000

Na2SO4 (%)

≤0.5

Annual sunshine (h)

≥1100