The most accurate method of determining soil pH is by a pH meter. A second method which is simple and easy but less accurate then using a pH meter, consists of using certain indicators or dyes. Many ...

Since a soil's CEC comes from the clay and organic matter present, it can be estimated from soil texture and color. Table 1 lists some soil groups based on color and texture, representative soil ...

Mollisols: Generally considered grassland soils having a surface layer (approximately 18 cm thick) that is friable, dark in color and with high soil organic carbon content. Munsell chroma ...