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What is Soil Aggregation and explain its beneficial role
Some organisms may play a beneficial role indirectly by creating better soil physical conditions e.g., by improving soil aggregation. You have read about the role of earthworms in soil granulation. Plant roots also promote soil aggregation with the help of their decay product. Gum or polysaccharides produced by certain microorganisms also cause soil aggregation. Azotobacter, Baijerinckia and Rhizobium are examples of gum producing bacteria.
Chain Reaction: When the atomic nucleus splits, it not only gives off energy, but also throws out two or three more neutrons. 'These new neutrons can, in turn, split two or
Explain the Hyposecretion during Childhood Hyposecretion during childhood: Due to deficiency of growth hormone or its receptors, stunted growth of the skeleton and organs occur
When does an atoll start to form? This starts to form when tiny marine animals - coral polyps - attach themselves to rocks on the seabed.
Q.What is soil erosion? The blowing away or washing away of land surface by wind or water is known as soil erosion.
fertilization of an earthworm
Solid waste Solid waste in some cases can be a resource. A good example is the factory at Yokohama in Japan which is engaged in converting waste paper into toilet paper. In our
OBLIGATIONS OF THE TEACHERS AND THE HEAD OF THE INSTITUTION TOWARDS MAINTAINING LABORATORY SAFETY Safety in laboratory work is the collective responsibility of the Head of the
WHAT IS THE OCEAN''S COASTLINE''S LIVING AND NON-LIVING THINGS?
Need for Code of Behaviour : A laboratory is a potentially dangerous working environment. Cuts from broken glass, chemical or thermal burns and poisoning are three examples of lab
A wound should be cleaned first and covered with a protective dressing. The main purpose of dressing is to: (1) prevent infection, (2) control bleeding, (3) absorb any dis
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