While it is generally not feasible to modify soil texture to improve plant-water relationships, soil structure can be enhanced by adding organic matter ... use decisions. B horizon: Subsurface ...

Aa Aa Aa Organic matter ... patterns of soil carbon, other factors that vary on smaller spatial scales interact with climate to determine SOC levels. For example, soil texture — the relative ...

A grey or light-coloured 'E' horizon is the result of severe leaching, or eluviation, which washes out everything but quartz grains. Eluviation is the removal of soil, clay, silt or fine organic ...