Research Article
Effects of Sheep Manure Combined with Chemical Fertilizers on Maize Yield and Quality and Spatial and Temporal Distribution of Soil Inorganic Nitrogen
Table 1
Basic physical and chemical status of the tested soil.
| Treatment | pH | Organic matter (g/kg) | Available P (mg/kg) | Available K (mg/kg) | Total N (g/kg) | Total P (g/kg) | Total K (g/kg) | Bulk density (g/cm3) |
| T1 | 8.33 ± 0.03c | 16.83 ± 0.75d | 4.71 ± 0.4e | 152.47 ± 4.11c | 1.27 ± 0.02c | 0.57 ± 0.06c | 13.73 ± 1c | 1.46 ± 0.05a | T2 | 8.32 ± 0.06c | 20.3 ± 0.46c | 5.6 ± 0.25d | 190.7 ± 4.35b | 1.33 ± 0.03c | 0.71 ± 0.01b | 15.9 ± 0.47b | 1.48 ± 0.01a | T3 | 8.35 ± 0.09c | 20.7 ± 0.44bc | 5.67 ± 0.1d | 194.77 ± 2.09b | 1.49 ± 0.06ab | 0.79 ± 0.04ab | 16.18 ± 0.18b | 1.46 ± 0.02a | T4 | 8.39 ± 0.08bc | 20.87 ± 0.25bc | 7.68 ± 0.44c | 195.6 ± 6.29b | 1.43 ± 0.04b | 0.8 ± 0.09ab | 15.76 ± 0.66b | 1.38 ± 0.01b | T5 | 8.47 ± 0.06ab | 21.77 ± 0.85b | 9.01 ± 0.39b | 208.8 ± 5.99a | 1.46 ± 0.04b | 0.85 ± 0.06a | 17.64 ± 0.59a | 1.39 ± 0.03b | T6 | 8.52 ± 0.06a | 27.3 ± 0.7a | 12.1 ± 0.83a | 217.97 ± 2.04a | 1.53 ± 0.03a | 0.88 ± 0.08a | 18.62 ± 0.63a | 1.35 ± 0.03b |
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