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Table 1 Physicochemical properties of soil samples from profile inspection pits at the field trial site

From: Effect of manure sources and rates on nitrogen replacement value, sesame yield and nutrient content under drip irrigation system

Depth (cm) Gravels (% > 2 mm) CaCO3 (%) Gypsum (%) pH EC (dS m−1) Cation concentration (me l−1) Anion concentration (me l−1)
Ca2+ Mg2+ Na+ K+ HCO3 Cl SO42−
0–20 25.6 5.6 0.23 8.81 6.3 30.2 11.1 25.1 1.2 2.4 29.3 35.9
25–80 28.8 18.0 0.09 8.66 7.1 35.6 12.1 30.4 1.7 3.6 28.1 48.1
80–150 19.2 19.2 0.14 8.83 7.5 40.1 9.3 33.6 1.3 3.8 35.1 45.4