Research Article

Soil Characteristics and Pedoclimatic Evaluation of Rainfed Sorghum (Sorghum bicolor (L.) Moench) in the Mayo-Lemié Division, South-Western Chad

Figure 3

XRD patterns of samples bulk samples and clay fraction (K: kaolinite; S: smectite; I: illite; Q: quartz; F: feldspar; P: plagioclase; Is: interstratified clay mineral; N: air dried condition; EG: glycolated condition with ethylene glycol; H: heated at condition at 500°C).