级别

Grade

总硒范围

Range of total Se

总硒均值/mg kg⁻¹

Average of total Se

有机硒均值/mg kg⁻¹

Average of organic Se

有机硒比例/%

Percent of organic Se

n

V

<0.20

0.153

0.120

74.8

8

IV

[0.20~0.40)

0.291

0.256

88.0

14

III

[0.40~0.60)

0.499

0.441

88.4

18

II

[0.60~1.00)

0.755

0.664

87.7

12

I

≥1.00

2.447

2.143

88.2

13