Table 3.
Soil physio-chemical characteristics as influenced by different planting patterns and N fertilization in the year 2021
| Treatment | AN (mg kg−1) | AP (mg kg−1) | AK (mg kg−1) | OM (g kg−1) | NH4 (mg kg−1) | NO3 (mg kg−1) | pH | |
|---|---|---|---|---|---|---|---|---|
| N0MM | 68.13 ± 4.8 cd | 73.12 ± 3.9 b | 76.72 ± 5.3 c | 14.09 ± 2.5 c | 1.58 ± 0.1 c | 2.68 ± 0.2 d | 6.41 ± 0.2 b | |
| N0SM | 73.62 ± 3.5 cd | 72.63 ± 4.9 b | 81.56 ± 5.9 bc | 14.47 ± 2.9 c | 1.69 ± 0.1 b | 2.80 ± 0.1 d | 6.45 ± 0.3 ab | |
| N0MSI | 79.70 ± 2.8 b | 77.71 ± 1.8 ab | 86.86 ± 4.6 ab | 17.59 ± 1.5 b | 1.80 ± 0.2 bc | 2.99 ± 0.1 c | 5.80 ± 0.1 c | |
| N1MM | 72.08 ± 5.1 de | 74.98 ± 4.2 ab | 81.41 ± 5.8 bc | 15.86 ± 2.3 bc | 2.21 ± 0.1 b | 3.26 ± 0.1 b | 6.56 ± 0.1 ab | |
| N1SM | 76.79 ± 2.5 bc | 74.30 ± 4.4 b | 84.60 ± 5.8 bc | 16.52 ± 2.6 bc | 2.41 ± 0.1 a | 3.33 ± 0.1 b | 6.68 ± 0.1 a | |
| N1MSI | 87.80 ± 3.4 a | 81.70 ± 3.1 a | 95.36 ± 2.3 a | 20.84 ± 1.3 a | 2.71 ± 0.3 a | 3.77 ± 0.3 a | 5.91 ± 0.5 c | |
| Significance | NL | 0.009** | 0.019** | 0.043* | 0.021* | 0.000*** | 0.002** | 0.03* |
| PP | 0.000*** | 0.028* | 0.000*** | 0.000*** | 0.000*** | 0.000*** | 0.000*** | |
| NL*PP | 0.126ns | 0.846ns | 0.187ns | 0.684ns | 0.012* | 0.044* | 0.775ns |
The mean values with SD (n = 4) are shown in the Table
The mean with similar lowercase letters down the column are significantly different from each other at the LSD test p ≤ 0.05 level of probability
N0: 0 kg N ha−1, N1: 225 kg N ha-1 for maize and 100 kg N ha-1 for soybean
NL Nitrogen levels
PP Planting pattern
*p ≤ 0.05
**p ≤ 0.01
***p ≤ 0.0001
ns p > 0.05