| Sample Date | H2O* (%) | TN (g・kg−1) | TP (g・kg−1) | K (g・kg−1) | WEP (mg・kg−1) | TP as WEP (%) |
| 4/18/2012 | 11.1a† | 97.8 | 16.2 | 25.8a | 6480 | 41 |
| 6/20/2012 | 11.1a | 79.2 | 15.7 | 25.8a | 7130 | 46 |
| 8/23/2012 | 10.9a | 80.9 | 14.8 | 25.5a | 7926 | 54 |
| 10/31/2012 | 10.9a | 77.1 | 9.2 | 18.3b | 4724 | 51 |
| 1/10/2013 | 21.6b | 87.5 | 7.0 | 17.3b | 3750 | 53 |