Table 2.
Some initial physicochemical characteristics of the studied soils and ionic composition for irrigation water.
| Layer (cm) | ECe (dS/m) | pH | OM (%) | CaCO3 | Particle size distribution |
Texture class | Bulk density (g · cm−3) | Ksat (cm h−1) | Soil moisture content at |
||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sand (%) | Silt (%) | Clay (%) | FC (%) | WP (%) | AW (%) | ||||||||
| 0–30 | 8.22 | 7.63 | 1.03 | 4.31 | 77.15 | 11.20 | 11.65 | LS | 1.61 | 1.98 | 24.33 | 10.73 | 13.61 |
| 30–60 | 8.18 | 7.68 | 0.87 | 4.53 | 75.33 | 13.10 | 14.57 | LS | 1.56 | 1.65 | 24.19 | 12.13 | 12.06 |
| Ionic composition for irrigation water | |||||||||||||
| Ionic concentration (meq./L) | EC (dS m−1) | pH | SAR | ||||||||||
| CO3-- | HCO3- | Cl- | SO4-- | Ca++ | Mg++ | Na+ | K+ | CO3-- | |||||
| 0.00 | 2.35 | 11.73 | 5.92 | 5.34 | 4.84 | 8.4 | 1.42 | 0.00 | 1.97 | 7.44 | 5.28 | ||
LS = loamy Sand, FC = Field capacity, WP = Wilting point, AW = Available water, Ksat = Hydraulic conductivity, OM = Organic matter, EC means the electrical conductivity and SAR means sodium adsorption ratio.