Tag: soil particle size class

Iowa Soil Clay Content Maps [gSSURGO]

Clay as a soil separate consists of mineral soil particles that are less than 0.002 mm in diameter. The estimated clay content of each soil layer is given as a percentage, by weight, of the soil material that is less than 2 mm in diameter. The amount and kind of clay affect the fertility and … Continue reading Iowa Soil Clay Content Maps [gSSURGO]