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Table 1 Factors, conditions, and weights for the detection of suitable cultivation sites

From: Identification of suitable sites for mountain ginseng cultivation using GIS and geo-temperature

Factor

Condition

Weight

Elevation

More than 300 m

1

Others

0.5

Aspect

North

1

East, Northeast, Northwest

0.67

Others

0.33

Slope

<30°

1

Others

0.5

Forest type (tree species)

Hardwood forest, Larix kaempferi

1

Mixed forest

0.67

Others

0.33

Soil organic content

2–9 %

1

Others

0.5

Effective soil depth

More than 15 cm

1

Others

0.5

Soil texture

Sandy loam, loam, silty clay loam

1

Others

0.5

Soil humidity

Suitable humidity

1

Other

0.5

Drainage

Good condition

1

Others

0.5

Annual average temperature (Jan 1–Dec 31)

0–10 °C

1

Others

0.5

Summer temperature (Jul 1–Aug 31)

20–25 °C

1

Others

0.5

Temperature during germination (Mar 1–Mar 20)

5–15 °C

1

Others

0.5

Temperature during sprouting (Mar 21–Apr 10)

5–15 °C

1

Others

0.5

Temperature during leafing (Apr 11–May 10)

10–20 °C

1

Others

0.5

Temperature during flowering/fruiting (May 11–Jun 30)

20–25 °C

1

Others

0.5