Parameters

Nutrient composition

pH

Ec (dS/m)

OC (%)

N (%)

${\text{NH}}_4^{+}\text{-N}$

P

K

S

Zn

Mn

Ca

Na

mg/L

Rain water

8.10a

0.0

-

-

2.10b

1.60a

41.79a

2.82a

0.06a

0.12a

1.43b

2.35b

Subsurface water

7.10b

0.22a

-

-

2.39a

0.64b

1.81b

2.15b

0.057a

0.12a

2.61a

32.44a