Depth

Layer

TN

(ppm)

NH4

(ppm)

NO3

(ppm)

TP

(ppm)

OP

(ppm)

TN/TP

<10 m

1.136

(0.651)

0.073

(0.073)

0.024

(0.021)

0.075

(0.024)

0.026

(0.011)

15.6

(7.4)

>10 m

1.185

(1.363)

0.104

(0.096)

0.026

(0.020)

0.134

(0.198)

0.054

(0.084)

10.6

(7.3)