Soil Types Labeled Layers 826578854

Tags: colorful structure drawing education science sand clay poster educational diagram humus bedrock silt topsoil subsoil white background hand drawn coniferous forest forest soil organic matter natural science soil profile land use soil types oxisol pedology brown earth soil structure soil layers science infographic peat soil farmland soil podzol soil horizons plant habitat vegetation zones soil composition agriculture soil farming soil tropical soil geology chart alfisol histosol mollisol soil diagram ecosystem soil