Legume biomass

Species number

Above-ground biomass

litter

Total coverage

N2O

Y

0.1

0.5

7.8**

22.5***

2.95

0.2

M

1.1

0.5

4.2**

2.25

1.1

4.97***

Y*M

0.7

0.5

0.4

0.2

0.7

0.23