Official Journal of the Asia Oceania Geosciences Society (AOGS)
Table 3 Effect of soil amendments on MBC:MBN ratio in low-salinity and high-salinity soils
From: Effects of amendments on carbon and nitrogen fractions in agricultural soils of Yellow River Delta
Treatments | Low-salinity soil | High-salinity soil | ||
|---|---|---|---|---|
0–20 cm | 20–40 cm | 0–20 cm | 20–40 cm | |
Initial | 3.79 ± 0.16bc | 3.78 ± 0.10def | 4.12 ± 0.34bcdef | 4.15 ± 0.66cde |
CK | 4.19 ± 0.35abc | 5.58 ± 0.10b | 5.16 ± 0.38b | 4.67 ± 0.28bcd |
G1 | 4.29 ± 0.10ab | 5.27 ± 0.11bc | 4.32 ± 0.10bcde | 4.07 ± 0.47cde |
G2 | 3.94 ± 0.63bc | 6.62 ± 0.61a | 3.32 ± 0.52ef | 3.15 ± 0.28e |
Ca1 | 3.32 ± 0.11c | 3.13 ± 0.18ef | 4.81 ± 0.35abc | 5.26 ± 0.76bc |
Ca2 | 3.28 ± 0.19c | 2.94 ± 0.27f | 4.43 ± 0.28abcd | 4.30 ± 0.28cde |
B1 | 5.07 ± 0.23a | 4.31 ± 0.33 cd | 5.41 ± 0.39a | 5.46 ± 0.40b |
B2 | 3.35 ± 0.09c | 4.03 ± 0.43de | 4.13 ± 0.22bcdef | 3.94 ± 0.35de |
S1 | 4.59 ± 0.11ab | 3.67 ± 0.48def | 3.76 ± 0.14cdef | 4.05 ± 0.20cde |
S2 | 4.36 ± 0.11ab | 3.24 ± 0.28ef | 3.23 ± 0.39f | 3.51 ± 0.40de |
S1G1 | 3.84 ± 0.64bc | 5.16 ± 0.60bc | 4.24 ± 0.44bcdef | 3.41 ± 0.51de |
S2G2 | 3.34 ± 0.19c | 4.59 ± 0.06bcd | 3.70 ± 0.53def | 7.10 ± 0.10a |