Analite

Initial

NF

FF

NF+FF

NF+FF+S

Farm ponds

Trial 1

NH4+ (µg L-1)

9.59 ± 0.01

24.8 ± 1.38

28.4 ± 27.4

12.5 ± 2.44

28.4 ± 27.4

25.8 ± 9.84

NO2- (µg L-1)

0.15 ± 0.01

0.09 ± 0.05

0.09 ± 0.04

0.12 ± 0.09

0.09 ± 0.04

0.17 ± 0.08

NO3- (µg L-1)

17.5 ± 0.01

18.9 ± 4.38

16.0 ± 2.57

25.5 ± 19.3

16.0 ± 2.57

9.56 ± 6.65

NT (mg L-1)

2.4 ± 0.00

0.70 ± 0.19

1.26 ± 0.49

0.62 ± 0.12

1.26 ± 0.49

1.03 ± 0.04

Chl-a (mg m-3)

3.64 ± 1.62

31.1 ± 22.7

134 ± 75.8

32.9 ± 13.2

134 ± 75.9

5.13 ± 1.33

SST (mg L-1)

27.1 ± 0.01

29.6 ± 0.24

70.3 ± 18.0

85.2 ± 21.0

70.3 ± 18.0

40.0 ± 6.11

T(ºC)

22.3 ± 0.60

22.5 ± 0.87

23.2 ± 0.57

22.5 ± 0.87

23.2 ± 0.57

26.8 ± 0.19

OD (mg L-1)

7.43 ± 0.21

7.03 ± 0.21

7.07 ± 0.06

7.03 ± 0.21

7.07 ± 0.06

7.02 ± 0.07

Trial 2

NH4+ (µg L-1)

17.0 ± 3.53

16.7 ± 5.50

82.1 ± 17.4

35.2 ± 24.7

70.5 ± 2.54

13.2 ± 9.35

NO2- (µg L-1)

0.06 ± 0.01

0.34 ± 0.01

0.36 ± 0.13

0.21 ± 0.03

0.32 ± 0.13

0.19 ± 0.02

NO3- (µg L-1)

9.03 ± 2.7

12.1 ± 1.61

9.86 ± 0.45

9.08 ± 2.39

8.16 ± 2.84

15.7 ± 9.82

NT (mg L-1)

0.84 ± 0.15

1.81 ± 0.46

1.70 ± 0.51

1.73 ± 0.16

1.91 ± 0.41

1.48 ± 0.16

Chl-a (mg m-3)

8.03 ± 3.71

6.19 ± 1.11

115 ± 16.9

96.8 ± 66.5

208 ± 119

15.9 ± 6.00

SST (mg L-1)

24.6 ± 3.04

43.5 ± 1.18

83.9 ± 5.95

57.8 ± 14.1

80.3 ± 28.2

100 ± 18.7

T(ºC)

24.4 ± 0.08

25.1 ± 0.46

24.8 ± 0.37

25.2 ± 0.46

24.9 ± 0.23

28.5 ± 0.13

OD (mg L-1)

7.00 ± 0.01

6.35 ± 0.08

6.33 ± 0.08

6.33 ± 0.08

6.43 ± 0.12

7.14 ± 0.39

Trial 3

NH4+ (µg L-1)

8.49 ± 0.37

115 ± 54.8

468 ± 13.4

251 ± 33.4

260 ± 13.0

32.3 ± 27.8

NO2- (µg L-1)

0.03 ± 0.01

1.05 ± 0.25

1.21 ± 0.46

1.35 ± 0.51

1.21 ± 0.12

0.13 ± 0.02

NO3- (µg L-1)

20.5 ± 1.14

19.6 ± 5.46

28.4 ± 20.3

32.1 ± 4.26

23.1 ± 3.31

5.12 ± 2.89

NT (mg L-1)

0.94 ± 0.03

2.65 ± 0.87

2.47 ± 2.05

2.40 ± 0.60

3.2 ± 0.6

1.64 ± 0.46

Chl-a (mg m-3)

21.5 ± 6.51

94.4 ± 25.3

57.8 ± 37.7

53.0 ± 23.8

108 ± 43

45.1 ± 8.70

SST (mg L-1)

16.1 ± 1.08

56.2 ± 2.83

184 ± 32.2

108 ± 24.8

205 ± 32.2

142 ± 35.1

T(ºC)

24.4 ± 0.58

26.7 ± 0.60

25.7 ± 0.63

26.7 ± 0.60

26.0 ± 0.40

27.5 ± 0.42

OD (mg L-1)

6.29 ± 0.13

6.97 ± 0.10

6.50 ± 0.18

6.97 ± 0.10

6.70 ± 0.13

6.5 ± 0.23

Trial 4

NH4+ (µg L-1)

8.03 ± 4.0

118 ± 121

51.0 ± 13.6

245 ± 13.5

19.5 ± 2.22

NO2- (µg L-1)

0.26 ± 0.01

4.38 ± 0.79

4.58 ± 0.31

4.3 ± 0.01

0.24 ± 0.02

NO3- (µg L-1)

17.7 ± 12.7

1326 ± 626

1680 ± 390

894 ± 412

11.0 ± 0.64

NT (mg L-1)

1.10 ± 0.29

3.17 ± 0.15

2.59 ± 0.50

1.8 ± 0.45

1.54 ± 0.66

Chl-a (mg m-3)

14.3 ± 8.20

104 ± 88.8

63.3 ± 25.3

58.7 ± 31.0

33.2 ± 8.55

SST (mg L-1)

26.8 ± 5.6

250 ± 207

71.0 ± 16.6

141 ± 52.0

98. 8 ± 22.4

T(ºC)

28.2 ± 1.05

28.3 ± 0.42

28.6 ± 0.29

28.4 ± 0.15

30.1 ± 0.28

OD (mg L-1)

7.2 ± 0.4

4.77 ± 0.31

5.27 ± 0.15

5.10 ± 0.20

7.02 ± 1.01

Table 2: Mean water-quality parameters for each treatment for trials 1 to 4.
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