M6

β₀

0.0001

0.0001

0.0002

0.476

β₁

0.8277

0.7897

0.8656

0.005

β₂

0.9334

0.7996

1.0673

0.020

Biomass

M11

β₀

0.3718

0.2467

0.4970

0.457

β₁

1.9830

1.8992

2.0667

0.047

M12

β₀

0.1298

0.0880

0.1716

0.428

β₁

0.8453

0.8185

0.8722

0.033

β₂

0.6588

0.2948

1.0227

−0.008

M13

β₀

0.1403

0.1012

0.1795

0.381

β₁

0.8478

0.8213

0.8742

0.039

M14

β₀

0.1173

0.0743

0.1602

0.491

β₁

1.6583

1.5817

1.7349

0.003

β₂

0.9246

0.7884

1.0608

0.018

β₃

0.6828

0.3165

1.0492

−0.006