Treatment

${\text{PO}}_4^{3-}$

NO₃-N

NH₃-N

NO₃-N + NH₃-N

Mol. Ratio^a

Mol. Ratio^b

Name

(mg·L⁻¹)

(mg·L⁻¹)

(mg·L⁻¹)

(mg·L⁻¹)

w/o NH₃-N

w/NH₃-N

Final Study Day (Day 7)

No Treatment

<0.15

0.80

0.30

1.10

>8.17

>19.35

NH₄NO₃

<0.15

0.75

0.46

1.21

>7.66

>24.80

CO(NH₂)₂

<0.15

0.90

0.31

1.21

>9.19

>20.74

Ca(H₂PO₄),

1.81

0.50

0.37

0.87

0.42

1.56

NH₄NO₃ + CO(NH₂)₂

<0.15

0.80

0.53

1.33

>8.2

>27.92

NH₄NO₃ + Ca(H₂PO₄)

1.94

1.10

0.44

1.54

0.86

2.13

CO(NH₂)₂ + Ca(H₂PO₄)

1.32

0.60

0.43

1.03

0.69

2.52

NH₄NO₃+ CO(NH₂)₂ + Ca(H₂PO₄)

1.09

1.20

0.44

1.64

1.69

3.94

Initial Sample (Day 0)

No Treatment

0.27

4.20

0.30

4.50

23.84

30.04