Source of variance

Summary of ANOVA

Mineral N

DF

Microbial N

Microbial C/Microbial N

Plant (P)

2

^**b

NS

^***

Soil (S)

3

^***

^***

^***

Date (D)

3

^*

^*

^***

P × S

6

NS

NS

^*

P × D

6

NS

^*

^**

S × D

9

^*

NS

^*

P × S × D

18

^*

NS

^**