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 ...

image of soil sampleMany dyes change color with an increase or decrease of pH making it possible to estimate soil pH. In making a pH determination on soil, the sample is saturated with the dye for a ...