Table 5 Effect of cultivating duckweed on total phosphorus and ammonia nitrogen removal in biogas slurry water.

CK

37.50 ± 5.41^c

9.38 ± 1.41^d

9.38 ± 1.38^c

56.25 ± 4.45^d

71.23 ± 1.99^a

19.30 ± 1.58^d

3.68 ± 1.05^d

94.21 ± 1.05^c

2%

70.82 ± 2.99^a

7.98 ± 1.63^e

6.73 ± 2.40^d

85.54 ± 2.75^a

60.83 ± 2.91^b

34.14 ± 1.48^a

1.25 ± 0.32^c

96.22 ± 2.22^a

4%

58.36 ± 3.38^b

18.51 ± 2.91^c

8.36 ± 0.90^c

85.22 ± 1.92^a

56.85 ± 3.07^c

30.97 ± 1.76^b

9.43 ± 1.09^c

97.25 ± 2.09^a

6%

39.36 ± 1.33^c

22.53 ± 1.17^b

12.38 ± 1.17^b

74.27 ± 1.69^b

56.78 ± 2.31^c

30.38 ± 1.31^b

10.00 ± 1.08^c

97.16 ± 3.08^a

8%

29.47 ± 4.25^d

25.12 ± 2.36^a

13.91 ± 1.54^ab

68.49 ± 2.85^c

49.76 ± 2.59^d

29.63 ± 1.87^bc

14.31 ± 2.06^b

93.70 ± 2.06^b

10%

24.25 ± 3.73^e

21.20 ± 1.70^b

14.52 ± 1.42^a

59.97 ± 2.97^d

48.21 ± 1.64^d

27.76 ± 2.53^c

17.09 ± 2.46^a

93.06 ± 2.48^b