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. Author manuscript; available in PMC: 2021 Jan 5.
Published in final edited form as: Geosciences (Basel). 2019;10(1):5. doi: 10.3390/geosciences10010005

Table 6.

Statistical comparison of endospore recovery rates in Table 1.

Spiked Endospores/9 Grams Soil Loam (p-Value) Sand (p-Value) Clay (p-Value)
[Spike] 1 [Spike] 2
0 endospores 4.5 endospores NS* NS NS
0 endospores 45 endospores NS NS NS
0 endospores 225 endospores NS NS NS
0 endospores 675 endospores 0.002 0.008 0.008
0 endospores 1350 endospores <0.001 <0.001 <0.001
4.5 endospores 45 endospores NS NS NS
4.5 endospores 225 endospores NS NS NS
4.5 endospores 675 endospores 0.003 0.008 0.008
4.5 endospores 1350 endospores <0.001 <0.001 <0.001
45 endospores 225 endospores NS NS NS
45 endospores 675 endospores 0.003 0.009 0.009
45 endospores 1350 endospores <0.001 <0.001 <0.001
225 endospores 675 endospores NS 0.060 0.060
225 endospores 1350 endospores <0.001 0.001 0.001
675 endospores 1350 endospores <0.001 NS NS
*

NS = no significant difference.