Table 3 Physical and chemical analysis of the experimental soil before planting during the two winter seasons of 2020/2021 and 2021/2022.
From: Effect of water stress and foliar application of chitosan and glycine betaine on lettuce
Properties | Values | Properties | Values | ||
|---|---|---|---|---|---|
2020/2021 | 2021/2022 | 2020/2021 | 2021/2022 | ||
Sand (%) | 23.14 | 21.16 | Available N (ppm) | 66.74 | 71.81 |
Silt (%) | 28.59 | 29.11 | Available P (ppm) | 5.23 | 5.86 |
Clay (%) | 48.27 | 49.73 | Exchangeable K (ppm) | 59.60 | 58.42 |
Texture class | Clay | Clay | Field capacity (%) | 46.25 | 45.73 |
CaCO3 | 2.57 | 2.44 | Wilting point (%) | 24.21 | 23.84 |
OM (%) | 1.36 | 1.42 | Available water (%) | 22.04 | 21.89 |
pH* | 7.8 | 7.7 | Bulk density (g/cm3) | 1.22 | 1.21 |
EC (dSm−1) (1:10) | 2.2 | 2.1 |  |  |  |
