Treatment*

Nutrient

N

P

K

C

y = 13.317x + 720.25

y = 0.2225x + 8.5226

y = 4.8565x + 79.794

R² = 0.8878

R² = 0.8961

R² = 0.9458

Cf

y = 15.248x + 823.58

y =0.2491 + 9.6538

y = 4.5697x + 70.921

R² = 0.8913

R² = 0.8890

R² = 0.9640

Cm

y = 27.408x + 531.18

y = 0.3340x + 9.2703

y = 5.3726x + 67.778

R² = 0.9526

R² = 0.9161

R² = 0.9607

VC

y = 29.710x + 607.67

y = 0.3021 + 8.2164

y = 5.3903x + 71.148

R² = 0.9445

R² = 0.9195

R² = 0.9542

Cm + VC

y = 23.210x + 597.79

y = 0.3113 + 9.0982

y = 5.4558x + 72.373

R² = 0.9565

R² = 0.9195

R² = 0.9571