TROPHIC LEVELS There are many ways of classifying life forms. One of the foremost common is by what sort it is: plant or animal. Then we tend to divide these into totally different sets, like bacterium, fungi, nematodes, mites, then forth. Among these sets in soil ecosystems, there’s a good diversity of food sources and […]
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Factors Affecting Soil Physical Properties Soils are subject to forces acting on them and these have an effect on their physical properties. As was stated in the section on soil texture, this physical property is not easily or economically altered, except by natural forces which would be catastrophic by cultural and agricultural standards. Soil structure,
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SOIL PHYSICAL PROPERTIES Texture and structure are two terms used to describe the physical properties of soil. Though they are sometimes used interchangeably to describe the same physical characteristics of soil, they are quite different. SOIL PHYSICAL PROPERTIES Soil Texture Soil texture is used to describe the relative amounts of sand, silt, and clay that
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COMPONENTS OF SOIL Mineral The mineral components of soil are the three smallest rock particles: sand, silt, and clay. These make up 95% or more of the soil solids. The first two, sand and silt, are generally composed of silicon dioxide (quartz). (There are a few exceptions to this, such as the black mineral sands
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