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Soil-Environmental Components
The word soil is derived from Latin word 'solum' meaning earthy material in which plants grow. The soil is the consolidated outer layer of the earth's crust ranging in thickness from a mere film to three metres or more. It provides mechanical anchorage to plants, besides being a reservoir of water and plant nutrients. The soil also supports a rich and highly diversified micro-flora and fauna.
Typically, soil is a complex mixture of inorganic and organic materials. The inorganic materials, that is, the mineral constituents of soil are derived from parent material (the soil forming rocks) by fragmentation and weathering. The pore spaces formed between the mineral particles of soil are filled with water and gases. The organic components of soil comprise organic wastes, dead remains of plants and animals, and their decomposition products. Besides, a large variety of algae, bacteria, fungi and many small and large animals are invariably present in a fertile soil.
Ichnology : This is the study of foot prints. Ichnology is a type of branch of geology which deals with traces of organismal behavior like as burrows or footprints. It is commonly
Explain Proteins as carriers? A large variety of compounds are carried in the blood between tissues and organs of the body. Some of the compounds require specific protein for t
Determine the term - techniques visualise anatomy Some techniques visualise anatomy, provide objective confirmation of structural abnormality. These include neuroradiological i
What is the importance of vitamin A The importance of vitamin A is undisputable. You may already be aware about the functions/role of vitamin A in our body. Vitamin A is absol
Bone Surfaces: There are four major bone surfaces: 1) Periosteal (outer surface of all bones) 2) Endosteal (inner surface of cortical bone) 3) Haversian (inner surface o
explain hadzi''s theory with reference to metazoa
Why would we evolve so that when we are stressed our immune system is suppressed? How would this increase survival?
Aortic Valve Replacement with Replacement of Aortic Root : When there is aneurysm of ascending aorta with aortic regurgitation, aortic root replacement is done. This
Maximum and minimum range of an animal with the factors of Ph Salinity Pressure Relative human
who is the father of science
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