Variable

Axis 1

Axis 2

Axis 3

Axis 4

Axis 5

pH

0.108

0.767

0.294

0.08

−0.499

EC

0.760

−0.479

0.038

−0.260

−0.172

Moisture

−0.571

−0.760

−0.247

−0.105

0.058

Salinity

0.734

−0.483

0.049

−0.313

−0.185

Organic content

−0.511

−0.808

−0.184

−0.143

−0.059

Potassium (1:5) g/L

−0.873

0.461

0.054

−0.110

−0.018

Nitrate

0.320

−0.366

0.625

0.525

0.210

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

−0.809

−0.417

−0.193

−0.173

−0.292

Calcium

−0.459

−0.732

0.181

−0.015

0.321

NH₃-N

0.159

0.185

0.601

−0.723

0.128

Magnesium

0.487

0.801

−0.013

−0.237

0.205

Manganese

0.781

−0.532

0.021

0.165

−0.253

Zinc

0.961

−0.161

−0.008

0.036

−0.163

Lead

−0.812

0.528

0.168

−0.013

−0.109

Chromium

0.901

−0.073

−0.215

−0.251

0.196

Cadmium

−0.875

0.454

0.065

−0.106

−0.035

Nitrogen

0.318

0.655

−0.613

0.015

0.126

C/N

−0.622

−0.756

0.116

−0.094

−0.083