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Product Series > Specialized substrate series > Tobacco seedling substrate

Tobacco seedling substrate

Item

Unit

YC/T310-2009 Indicator requirements

Jiang Ping Tobacco Seedling Matrix

Particle size (1-5mm)

v-%

≥40

77.5

Unit weight

g/cm3

0.1-0.35

0.1

Total porosity

v-%

80-95

89

Organic matter content

w-%

≥15

85.2

Humic acid

w-%

10-40

19.65

pH

/

5.0-7.0

5.39

Electrical conductivity

us/cm

≤1000

0.43

Water content

w-%

20-45

39.1

Effective iron ion content

mg/ kg

≤1000

45.9


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