As soil organic matter is derived mainly from plant residues, it contains all of the essential plant nutrients. Therefore, accumulated organic matter is a storehouse of plant nutrients. The stable organic fraction (humus) adsorbs and holds nutrients in a plant-available form.hapter 1. Introduction. On the basis of organic matter content, soils are characterized as mineral or organic. Mineral soils form most of the worlds cultivated land and may contain from a trace to 30 percent organic matter.
The patient may be admitted to hospital in order that the medical team can observe the tightness of the cast and the pressure on the leg. The usual healing time for a mid-shaft Tibia and Fibula fracture treated with cast immobilisation is 12 to 16 weeks.
In human anatomy, the fibula is a bone of the leg. It is situated lateral to the tibia (larger shin bone) and between the patella (knee) and ankle. The fibula is not as long, â¦ thick, or strong as the tibia, and does not provide weight support.he muscle is called a flexor if the centers of the connected â¦ bones are brought closer together when the muscle contracts, and the movement is called flexion.