Official Journal of the Asia Oceania Geosciences Society (AOGS)
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 | 0.72 ± 0.06ef | 0.84 ± 0.07e | 0.85 ± 0.05ef | 0.77 ± 0.06 fg |
CK | 0.73 ± 0.05def | 0.88 ± 0.06de | 0.96 ± 0.01de | 0.86 ± 0.04 fg |
G1 | 0.81 ± 0.02cde | 0.89 ± 0.04de | 1.15 ± 0.13 cd | 1.37 ± 0.10de |
G2 | 0.73 ± 0.06def | 0.89 ± 0.06de | 1.12 ± 0.05cde | 1.65 ± 0.11bcd |
Ca1 | 0.91 ± 0.08abcd | 1.06 ± 0.02de | 1.28 ± 0.14c | 2.03 ± 0.16a |
Ca2 | 0.82 ± 0.03cde | 1.13 ± 0.03d | 1.60 ± 0.16ab | 1.49 ± 0.19 cd |
B1 | 0.79 ± 0.07cde | 0.91 ± 0.06de | 0.91 ± 0.1de | 1.03 ± 0.06ef |
B2 | 0.56 ± 0.03f | 0.84 ± 0.07e | 0.57 ± 0.05f | 0.64 ± 0.05 g |
S1 | 1.05 ± 0.1ab | 1.47 ± 0.13c | 1.31 ± 0.09bc | 1.60 ± 0.13bcd |
S2 | 0.93 ± 0.06abc | 1.50 ± 0.08c | 1.41 ± 0.14bc | 1.89 ± 0.04ab |
S1G1 | 1.08 ± 0.08a | 2.58 ± 0.1a | 1.74 ± 0.11a | 1.60 ± 0.21bcd |
S2G2 | 0.88 ± 0.03bcde | 2.24 ± 0.2b | 1.36 ± 0.08bc | 1.79 ± 0.17abc |