Lower Bound

Upper Bound

PH

7.2762

7.3347

EC

4.9261

5.2943

Moisture

48.125

48.441

Salinity

2.1514

2.182

Organic

53.0569

53.3846

Potassium

0.2626

0.2708

Nitrate

52.6307

57.5235

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

2.5425

2.8083

Calcuim

807.0291

829.0151

NH₃N

189.9140

195.5635

Magnesuim

2504.4075

2648.4008

Manganese

88.0207

90.1847

Zinc

442.4251

451.1398

Lead

152.8369

156.6699

Chromium

33.3060

34.9672

Cadmium

0.8682

0.9392

Nitrogen

1.4455

1.4581

CNratio

16.5545

16.7574