Characteristic of structureless compressed clay. Soil acidity that is held to the soil particles. Reserve acidity is the major fraction of acidity in soils. The amount of soluble salts in a soil or dissolved in a soil solution or nutrient solution. A soil separate with effective diameters from 0.05 to 2 mm.
Sand is also a soil textural class in which sand is the dominate separate.
A mineral, such as clay, formed from decomposition of primary minerals and reconstition into a new mineral. Soil or land prepared to promote germination of seed or receipt of transplanted seedlings and to support their subsequent growth. A soil separate with effective diameters from 0.002 to 0.05 mm. Silt is also a soil textural class in which silt is a principal separate. The collection of surface matter of land that supports plants and that has properties affected by parent material, climate, vegetation, topography, and time and the interactions of these factors.