Table 4 Proportion of carbon (C), nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), and magnesium (Mg) content remaining, as well as ash-free nutrient concentrations (g kg⁻¹) for each litter location and source combination in three loblolly–shortleaf pine stands at the end of a 472-day study (24 Feb 2000 to 10 Jun 2001) in southeastern Arkansas, USA

Burn

Burn

0.58 a¹

1.08 a

1.23 ab

0.41 b

1.00 a

0.63 a

Burn

Control

0.60 a

1.04 a

1.24 ab

0.46 a

0.97 a

0.62 a

Control

Burn

0.56 a

1.04 a

1.15 b

0.38 b

0.90 a

0.77 a

Control

Control

0.57 a

1.10 a

1.41 a

0.47 a

0.94 a

0.90 a

Location

Source

C

N

P

K

Ca

Mg

Burn

Burn

515 a

8.49 a

0.60 a

1.00 a

6.75 a

1.05 a

Burn

Control

508 a

7.92 a

0.50 a

0.91 a

5.67 b

0.86 a

Control

Burn

508 a

8.49 a

0.58 a

0.95 a

6.33 a

1.32 a

Control

Control

510 a

8.89 a

0.60 a

0.99 a

5.80 b

1.34 a