| Valley | Slope |
---|---|---|
BD (g·cm− 3) | 0.90 (0.04) | 0.95 (0.05) |
pH | 7.19 (0.17) | 7.32 (0.54) |
SOC (g·kg− 1) | 40.46 (3.77) b | 52.24 (5.01) a |
TN (g·kg− 1) | 3.74 (0.35) b | 4.72 (0.50) a |
TP (g·kg− 1) | 2.26 (0.16) | 1.91 (0.22) |
NH4+-N (mg·kg− 1) | 7.60 (0.41) | 5.68 (0.26) |
NO3−-N (mg·kg− 1) | 19.91 (3.01) a | 13.33 (1.07) b |
Ca (g·kg− 1) | 7.04 (0.70) b | 14.80 (2.1) a |
NO3−leaching rate (mg·d− 1·kg− 1 dry resin) | 3.27 (0.01) b | 5.01 (0.01) a |