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Table 2 Description of the Fail-safe N for the 16 variables

From: Canopy gap impacts on soil organic carbon and nutrient dynamic: a meta-analysis

 

Sample size (n)

Fail-safe N

 

Sample size(n)

Fail-safe N

pH

192

2596

NO3−

178

233,147

Soil M

199

18,852

Available P

100

389,209

Soil T

117

35,450

Hy-EEAs

87

1992

Corg

303

5042

Ox-EEAs

23

427

Nt

238

23,171

Cmic

128

638

Pt

96

3052

Nmic

58

667

C:N

147

1553

Pmic

68

1590

NH4+

179

83,308

Cmic:Nmic

22

0*