Table 1 Aggregate macropore characteristics
From: Soil macropore structure plays divergent roles in fresh and decomposed particulate organic matter
Macropore characteristics | GZL | LC | YL | JX | MC | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Control | NPK | NPKM | Control | NPK | NPKM | Control | NPK | NPKM | Control | NPK | NPKM | Control | NPK | NPKM | |
Mean pore diameter/μm | 74.2 a | 64.8 a | 76.4 a | 60.6 a | 55.9 a | 47.6 a | 112 a | 81.0 a | 104 a | 72.1 b | 98.3 ab | 108 a | 70.7 a | 88.6 a | 106 a |
Surface area density /mm−1 | 2.28 b | 4.09 a | 4.75 a | 4.80 b | 6.93 a | 7.35 a | 1.94 b | 2.39 ab | 3.18 a | 1.19 b | 3.50 a | 3.36 a | 1.28 c | 2.40 b | 3.84 a |
Connection probability | 0.08 b | 0.22 b | 0.54 a | 0.33 a | 0.40 a | 0.42 a | 0.20 b | 0.31 ab | 0.46 a | 0.07 b | 0.44 a | 0.24 ab | 0.05 b | 0.22 b | 0.56 a |