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 | 1.98 ± 0.04f | 1.11 ± 0.02e | 3.66 ± 0.05f | 4.05 ± 0.51f |
CK | 4.77 ± 0.17a | 5.54 ± 0.44a | 9.61 ± 0.73a | 9.89 ± 0.49a |
G1 | 3.72 ± 0.22bc | 3.94 ± 0.31bc | 7.76 ± 0.39abcd | 8.99 ± 0.18ab |
G2 | 3.89 ± 0.25b | 3.98 ± 0.45bc | 8.82 ± 0.64ab | 8.35 ± 0.81abc |
Ca1 | 3.92 ± 0.011b | 3.94 ± 0.41bc | 7.77 ± 0.51abcd | 6.82 ± 0.33cde |
Ca2 | 3.95 ± 0.15b | 4.76 ± 0.11ab | 7.93 ± 1.01abc | 7.94 ± 0.83bcd |
B1 | 3.19 ± 0.08 cd | 3.60 ± 0.47 cd | 6.26 ± 0.18cde | 6.37 ± 0.11de |
B2 | 2.45 ± 0.10ef | 2.67 ± 0.19d | 4.80 ± 0.59ef | 3.98 ± 0.54f |
S1 | 3.72 ± 0.33bc | 4.62 ± 0.16ab | 5.33 ± 0.44ef | 6.39 ± 0.78de |
S2 | 3.80 ± 0.25b | 4.77 ± 0.41ab | 6.82 ± 0.28bcde | 6.82 ± 0.35cde |
S1G1 | 2.70 ± 0.17de | 3.61 ± 0.26 cd | 5.00 ± 0.48ef | 5.25 ± 0.37ef |
S2G2 | 2.92 ± 0.10de | 3.20 ± 0.22 cd | 5.78 ± 0.27de | 6.83 ± 0.80cde |