Depth (cm) Soil type 14C cal (ybp) ybp ± C pool Soil type Soil depth (cm) Avg _13C SOC (ä) _13C stder Avg SOC (g/kg) SOC stder C4 SOC (%) PyC (g / kg) Soil type Depth (cm) "Sm (ppm)" "Nd (ppm)" "147Sm 144Nd" eNd (0) "TDM (Ga)" 87Sr/86Sr 143Nd/144Nd Soil type Soil depth Avg total Ca (mg/kg) Total Ca stder Avg total P (mg/kg) Total P stder Bulk density 0-10 ADE 265 15 PyC ADE 0-10 -27.2 0.38 23.7 1.5 0.0 1.04 ADE 0-10 3.233 15.606 0.1252 -9.99 1.57 0.71378 0.512126 ADE 0-10 2108.430267 179.813125 1243.646714 165.3276102 1.12 30-40 Ultisol 2225 20 PyC ADE 10-20 -26.0 0.68 21.3 0.7 0.0 1.52 ADE 0-10 4.026 23.2 0.1049 -11.48 1.38 0.71358 0.51205 ADE 10-20 1603.712027 167.1494671 1353.275271 173.0456533 1.18 30-40 ADE 4960 70 PyC ADE 20-30 -25.8 0.59 17.9 1.7 1.2 1.37 ADE 0-10 2.568 13.365 0.1161 -10.87 1.49 0.713508 0.512081 ADE 20-30 1498.069705 223.8793137 1684.307366 233.5847736 1.25 40-50 Ultisol 4440 70 PyC ADE 30-40 -25.2 0.14 13.2 1.6 5.5 1.01 Ultisol 0-10 3.13 16.157 0.1171 -11.31 1.54 0.71474 0.512058 ADE 30-40 1405.508307 199.4681052 1825.190338 189.7442338 1.27 80-90 ADE 6420 50 PyC ADE 40-50 -24.4 0.42 11.3 1.8 10.9 1.43 Ultisol 0-10 0.71526 ADE 40-50 1307.534734 167.0422449 1845.818479 212.2137333 1.28 80-90 Ultisol 5430 20 PyC ADE 50-60 -24.9 0.30 9.4 1.5 7.3 1.03 ADE 40-50 4.839 27.748 0.1054 -11.68 1.4 0.71423 0.512039 ADE 50-60 1276.025016 224.259136 1871.900274 263.3945475 1.27 90-100 Ultisol 7630 80 PyC ADE 60-70 -24.7 0.26 9.2 1.7 8.8 0.93 ADE 40-50 3.197 16.876 0.1145 -11.35 1.5 0.7139 0.512056 ADE 60-70 1153.013196 192.7096909 1779.827944 247.4988442 1.28 0-10 ADE modern SOC ADE 70-80 -24.3 0.22 5.9 1.5 11.1 0.37 Ultisol 40-50 3.915 21.454 0.1103 -11.78 1.48 0.71523 0.512034 ADE 70-80 1004.604798 124.0299371 1673.301983 245.9517739 1.28 0-10 Ultisol modern SOC ADE 80-90 -24.7 0.50 5.5 0.3 8.6 0.23 Ultisol 40-50 4.495 21.472 0.1265 -12.13 1.78 0.71548 0.512016 ADE 80-90 1113.553891 231.2935868 1824.727632 322.5495942 1.29 30-40 ADE 880 20 SOC ADE 90-100 -23.2 1.02 4.7 0.9 18.9 0.21 Ultisol 40-50 3.075 17.437 0.1066 -12.24 1.46 0.71494 0.512011 ADE 90-100 593.2191991 57.71839068 1509.121994 228.0926851 1.31 40-50 ADE 1190 20 SOC Ultisol 0-10 -26.4 0.35 18.9 0.6 0.0 ADE 90-100 6.031 34.206 0.1066 -10.59 1.34 0.71411 0.512095 Ultisol 0-10 155.4462505 40.13908965 314.278132 50.1402034 1.18 40-50 Ultisol 805 15 SOC Ultisol 10-20 -24.8 0.25 15.2 0.3 8.0 ADE 90-100 0.71423 Ultisol 10-20 115.4106165 30.36147335 335.3374109 52.5806032 1.21 50-60 ADE 1355 15 SOC Ultisol 20-30 -25.0 0.18 13.2 0.2 6.9 0.13 ADE 90-100 3.96 22.757 0.1052 -11.78 1.41 0.71454 0.512034 Ultisol 20-30 77.29243862 4.758262421 317.603604 36.48250437 1.26 90-100 ADE 2240 15 SOC Ultisol 30-40 -25.4 0.25 11.7 0.5 4.1 0.12 Ultisol 90-100 3.962 22.304 0.1074 -11.22 1.39 0.512063 Ultisol 30-40 108.1084391 28.48323594 359.5617068 54.94196848 1.28 80-90 Ultisol 1285 15 SOC Ultisol 40-50 -25.8 0.37 9.5 0.1 1.0 0.19 Ultisol 90-100 4.152 24.025 0.1045 -11.85 1.4 0.71558 0.51203 Ultisol 40-50 93.2480944 13.61757086 300.9560578 24.68956334 1.29 Ultisol 50-60 -25.8 0.17 8.1 0.4 1.6 Ultisol 90-100 3.979 22.376 0.1075 -11.9 1.45 0.512028 Ultisol 50-60 124.1973477 36.38055679 346.0103581 56.44714493 1.29 Ultisol 60-70 -25.6 0.17 6.2 0.3 2.4 Ultisol 60-70 73.38488623 5.451514209 309.7346784 34.70804631 1.31 Ultisol 70-80 -25.7 0.35 6.8 0.1 1.8 0.07 Ultisol 70-80 88.19408172 15.00279941 299.4534346 33.07985869 1.33 Ultisol 80-90 -25.7 0.38 6.4 0.3 2.3 Ultisol 80-90 107.9660683 31.24159835 317.2376871 53.97313509 1.33 Ultisol 90-100 -25.7 0.29 5.0 0.6 2.2 0.05 Ultisol 90-100 76.1811746 9.287257194 284.788192 38.95460428 1.35