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.
The outer bone of leg is (known as a fibula). If it is a fracture then it is a significant injury. You will need to be protected in a cast for at least six weeks. Ligament injuries of the ankle can at times be worse than fractures. This is because the healing potential of fractures is far better than of ligaments.Ligament strains are also of different grades.he outer bone of leg is (known as a fibula). If it is a fracture then it is a significant injury. You will need to be protected in a cast for at least six weeks. Ligament injuries of the ankle can at times be worse than fractures. This is because the healing potential of fractures is far better than of ligaments.