Appendix Table 2: Recovery for all C, N, and P pools from the soil aggregate fractions relative to bulk soil measurements. Values presented are the average (n=3) with standard deviation in parentheses.

Nutrient / Unit / Plant / Treatment / Macro / Micro / S+C / Aggregate Total / Bulk / % Recovery
Total C / g C kg-1 / M / Solid / 10.9 (2.2) / 4.4 (0.7) / 15.4 (2.3) / 30.8 (0.8) / 29.1 (0.9) / 106 (2)
Mesh / 13.3 (2.3) / 4.3 (0.5) / 13.1 (2.1) / 30.7 (0.6) / 29.1 (0.6) / 106 (3)
PP / Solid / 16.5 (0.9) / 6.3 (0.5) / 7.1 (0.1) / 29.9 (1.2) / 28.9 (1.3) / 104 (2)
Mesh / 15.7 (2.1) / 6.2 (1.0) / 8.0 (2.8) / 29.9 (0.4) / 28.5 (1.0) / 105 (4)
M+PP / None / 16.6 (0.8) / 7.1 (0.4) / 6.5 (0.2) / 30.3 (1.4) / 28.9 (0.9) / 105 (2)
Overall / 105 (1)
Total N / mg N kg-1 / M / Solid / 554 (116) / 218 (32) / 809 (139) / 1581 (45) / 1734 (18) / 91 (2)
Mesh / 690 (125) / 209 (15) / 696 (123) / 1594 (22) / 1721 (73) / 93 (3)
PP / Solid / 853 (90) / 338 (25) / 379 (19) / 1570 (129) / 1686 (96) / 93 (7)
Mesh / 816 (111) / 304 (53) / 439 (166) / 1558 (4) / 1673 (94) / 93 (5)
M+PP / None / 838 (85) / 350 (9) / 350 (20) / 1538 (99) / 1711 (27) / 90 (5)
Overall / 92 (1)
Total P / mg P kg-1 / M / Solid / 256 (33) / 72 (10) / 365 (52) / 693 (32) / 767 (67) / 91 (9)
Mesh / 320 (24) / 71 (14) / 299 (58) / 690 (35) / 749 (45) / 92 (2)
PP / Solid / 392 (19) / 121 (11) / 161 (4) / 673 (27) / 681 (45) / 99 (11)
Mesh / 377 (27) / 112 (18) / 179 (68) / 668 (29) / 724 (16) / 92 (4)
M+PP / None / 384 (23) / 135 (5) / 133 (15) / 653 (25) / 727 (10) / 90 (4)
Overall / 93 (4)
Available P / mg P kg-1 / M / Solid / 0.8 (0.4) / 0.3 (0.0) / 3.9 (0.9) / 5.0 (1.3) / 0.5 (0.1) / 1167 (518)
Mesh / 1.1 (0.2) / 0.3 (0.1) / 3.3 (0.6) / 4.6 (0.7) / 0.6 (0.2) / 827 (399)
PP / Solid / 1.3 (0.2) / 0.4 (0.1) / 2.3 (0.2) / 4.0 (0.4) / 0.3 (0.1) / 1282 (344)
Mesh / 1.3 (0.2) / 0.4 (0.1) / 2.2 (0.4) / 4.0 (0.2) / 0.4 (0.1) / 1162 (288)
M+PP / None / 1.4 (0.3) / 0.5 (0.1) / 2.3 (0.3) / 4.2 (0.6) / 0.3 (0.1) / 1335 (320)
Overall / 1155 (198)
Microbial P / mg P kg-1 / M / Solid / 1.1 (0.4) / 0.3 (0.1) / 0.1 (0.1) / 1.5 (0.4) / 1.8 (0.5) / 95 (53)
Mesh / 1.7 (0.6) / 0.4 (0.2) / 0.6 (0.5) / 2.6 (1.3) / 2.4 (0.3) / 107 (40)
PP / Solid / 1.9 (0.3) / 0.6 (0.0) / 0.3 (0.3) / 2.9 (0.5) / 3.3 (1.1) / 94 (32)
Mesh / 1.5 (0.9) / 0.7 (0.3) / 0.3 (0.3) / 2.5 (1.1) / 2.3 (0.8) / 107 (30)
M+PP / None / 2.1 (0.7) / 0.8 (0.2) / 0.3 (0.5) / 3.1 (0.2) / 2.8 (0.5) / 116 (21)
Overall / 104 (9)
Organic P / mg P kg-1 / M / Solid / 33 (6) / 6 (1) / 60 (5) / 99 (5) / 90 (2) / 110 (8)
Mesh / 38 (13) / 10 (4) / 51 (10) / 99 (5) / 92 (5) / 107 (11)
PP / Solid / 55 (4) / 20 (2) / 25 (1) / 99 (7) / 82 (2) / 121 (12)
Mesh / 53 (9) / 19 (6) / 29 (11) / 102 (6) / 82 (3) / 124 (8)
M+PP / None / 53 (1) / 24 (2) / 24 (1) / 100 (3) / 82 (4) / 123 (7)
Overall / 117 (8)
Oxide-P / mg P kg-1 / M / Solid / 73 (13) / 16 (1) / 61 (9) / 150 (3) / 149 (6) / 101 (6)
Mesh / 87 (13) / 17 (2) / 51 (7) / 155 (9) / 141 (13) / 110 (10)
PP / Solid / 106 (15) / 25 (2) / 29 (1) / 160 (17) / 138 (15) / 117 (20)
Mesh / 94 (12) / 24 (4) / 32 (12) / 150 (5) / 148 (11) / 102 (10)
M+PP / None / 98 (1) / 28 (2) / 27 (2) / 153 (3) / 142 (7) / 108 (7)
Overall / 108 (7)
Ca-P / mg P kg-1 / M / Solid / 8.0 (1.6) / 6.1 (0.7) / 4.0 (0.7) / 18.2 (1.5) / 20.2 (3.1) / 92 (16)
Mesh / 9.5 (1.9) / 5.3 (0.5) / 3.8 (1.1) / 18.6 (0.6) / 20.7 (2.8) / 91 (9)
PP / Solid / 11.5 (1.3) / 5.2 (0.7) / 2.1 (0.1) / 18.8 (1.6) / 19.1 (1.7) / 99 (10)
Mesh / 10.1 (1.6) / 5.0 (0.4) / 2.7 (0.9) / 17.8 (0.4) / 22.3 (2.1) / 80 (7)
M+PP / None / 10.2 (1.7) / 5.8 (0.8) / 1.8 (0.3) / 17.9 (2.2) / 18.5 (1.3) / 97 (11)
Overall / 92 (7)