How much humus is in clay?
How much humus is in clay? 45% rock particles (Sand, Silt, Clay) 25% water. 25% air. 5% organic matter(humus) Is there humus in clay soil? Clay soil: Clay soils are so thick because they have small particles with correspondingly small air spaces between them. Adding humus to clay soils discourages the small particles from sticking so tightly. What soil has the most humus? topsoil Soil is usually layered. The uppermost layer is called topsoil and this layer contains humus, plant roots, and living creatures. The more humus found in topsoil, the more nutrient rich the topsoil and the better the...