Treatments

Nitrification inhibition rate (%)

2

4

18

35

50

65

80

100

N + En

48.5a

50.1a

33.1a

6.2a

6.0a

13.5a

8.8a

4.4a

N + DMPP

95.8b

84.0b

81.9b

32.9b

17.5b

18.7a

6.4a

6.7ab

N + DCD

97.2b

92.0b

69.0c

53.7c

23.1c

20.7a

8.6a

5.1ab