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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.
Agro-industrial byproducts Agro-industrial by-products in Southeast Asia are available in plenty, due to the emphasis on crop cultivation. By-products of agro-industries repre
Why are vaccines used in the prevention but not in the treatment of infections? Why can antivenom serums be used in prevention and treatment? Vaccines are not used in the treat
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In many countries of Asia biomass contributes l argely as a source of primary energy. People in rural areas at the peripheries of forests, continue to collect fuel wood from adjace
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Cleft Palate: Well you have now learnt about the cleft lip and now let us dicuss and understand what is cleft palate. Cleft palate (CP) is midline fissure of the palate that
Q. Minerals requirements for ulcerative colitis? Minerals: Mineral losses may be marked and unless replaced may contribute to a fatal outcome. A patient with moderately advance
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