Table 1.
The (physical and chemical) properties of soil at the experimental site, Egypt before the growing seasons 2019/2020 and 2020/2021 (average of 2 years)
| Parameter | Unit | Depth (cm) | |
|---|---|---|---|
| 0–30 | 30–60 | ||
| Mechanical analysis | |||
| Sand | (%) by weight | 82.19 ± 0.21 | 81.1 ± 0.20 |
| Silt | (%) by weight | 13.16 ± 0.72 | 7.9 ± 0.11 |
| Clay | (%) by weight | 4.65 ± 0.70 | 11.0 ± 0.16 |
| Texture | Loamy Sand | ||
| Chemical analysis | |||
| pH (paste extract) | 7.9 ± 0.21 | 7.10 ± 0.31 | |
| Electrical conductivity (EC) | ds m−1 | 0.60 ± 0.01 | 0.60 ± 0.02 |
| CaCO3 | % | 4.30 ± 0. 05 | 3.90 ± 0.07 |
| Magnesium (Mg+2) | mg kg−1 | 2.40 ± 0.02 | 1.30 ± 0.07 |
| Available Nitrogen (N) | mg kg−1 | 45.0 ± 0.70 | 46.0 ± 0.72 |
| Available Phosphorus (P) | mg kg−1 | 8.9 ± 0.10 | 11.0 ± 0.15 |
| Available Potassium (K) | mg kg−1 | 225.0 ± 0.70 | 205.1 ± 0.71 |
| Available Iron (Fe) | mg kg−1 | 4.40 ± 0.10 | 4.9 ± 0.07 |
| Available Zinc (Zn) | mg kg−1 | 0.95 ± 0.02 | 1.0 ± 0.02 |
| Organic matter | (%) by weight | 0.60 ± 2.0 | 0.2 ± 2.14 |
Each value represents the mean of the 3 replications ± standard errors