Table 4.
Soil physio-chemical characteristics as influenced by different planting patterns and N fertilization in the year 2022
| 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 | 65.38 ± 3.7 d | 73.96 ± 4.2 b | 77.22 ± 4.1 d | 14.60 ± 2.0 c | 1.61 ± 0.1 f | 2.71 ± 0.2 c | 6.43 ± 0.2 c | |
| N0SM | 72.61 ± 2.1 cd | 73.35 ± 4.9 b | 80.06 ± 6.6 cd | 14.73 ± 2.1 c | 1.73 ± 0.1 e | 2.82 ± 0.2 c | 6.53 ± 0.3 b | |
| N0MSI | 82.70 ± 3.7 b | 79.88 ± 1.2 ab | 89.86 ± 3.9 b | 18.50 ± 1.1 b | 1.88 ± 0.2 d | 3.09 ± 0.4 b | 5.67 ± 0.3 bc | |
| N1MM | 70.83 ± 5.3 cd | 75.62 ± 3.9 b | 81.66 ± 4.5 cd | 16.36 ± 2.5 bc | 2.25 ± 0.1 c | 3.27 ± 0.1 b | 6.61 ± 0.2 b | |
| N1SM | 73.79 ± 3.3 c | 74.67 ± 4.4 b | 85.10 ± 4.1 bc | 17.02 ± 2.1 bc | 2.45 ± 0.1 b | 3.34 ± 0.1 b | 6.76 ± 0.1 a | |
| N1MSI | 91.55 ± 3.8 a | 83.86 ± 2.3 a | 97.81 ± 1.3 a | 22.09 ± 1.1 a | 2.81 ± 0.3 a | 3.86 ± 0.3 a | 5.75 ± 0.3 a | |
| Significance | NL | 0.010* | 0.015* | 0.009** | 0.033* | 0.000*** | 0.004** | 0.023* |
| PP | 0.000*** | 0.006** | 0.000*** | 0.000*** | 0.000*** | 0.000*** | 0.000*** | |
| NL*PP | 0.297ns | 0.808ns | 0.557ns | 0.465ns | 0.001** | 0.058ns | 0.684ns |
The mean values with SD (n = 4) are shown in the Table
The mean with similar lowercase letters dowm 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