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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.
Observe the surface of the moon :- Use the small telescope or a pair of field glasses. Examine the surface of the moon and see if you can see any of its craters and mountains.
Making a precision reflecting telescope It is fairly beyond the scope of this book to include the intricate details for mirror grinding and testing. Though, some teachers may w
Explain the Structure of Tongue The tongue is a muscular organ. It is covered with a mucous membrane. The tongue is attached by its base to the hyoid bone and by a fold of its
how far the moon to the earth in kilometer?
discuss various types of screens and add a note on screening is a stratgy used in waste water plant
Differentiate between soil water content and plant available soil moisture. The mass of water lost relative to mass of dry soil is called soil water content whereas plant avai
Diabetes : A diabetic patient may lapse into diabetic coma or unconsciousness, but usually the affected person is aware of the symptoms before this occurs. You can assist at any s
Question 1 Define Hospital health information system. Explain its components. 2 Computerized medical information system allows more time to professionals for patient care. Expl
why we use mercury in the measurement of conductance using wheatstone bridge principle
Define the visual area of the Cerebrum The visual area lies behind the parieto-occipital sulcus and includes greater part of occipital lobes. Optic nerve passes from eyes to th
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