The following points highlight the ten economically important materials that are being deteriorated by the activity of microorganisms. The economically important materials are: 1. Pulp Wood 2. Paper-Pulp 3. Finished Paper 4. Textile and Cordage 5. Painted Surfaces 6. Rubber 7. Leather 8. Metal Corrosion 9. Wood Deterioration 10. Food Spoilage. Material # 1. Pulp-Wood: […]
Deterioration of Materials by Microorganisms
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Removal of Microorganisms from Air | Air Microbiology
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The following points highlight the top three devices used for the removal of microorganisms from air. The devices are: 1. Settling Plate 2. Sieve Device 3. Modern Samplers. Device # 1. Settling Plate: A Petri dish containing agar medium is kept covered and, at the time of sampling, the cover is removed from the Petri […]
Microorganisms and Plant Growth
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In this article we will discuss about the microorganisms in relation to plant growth. 1. Rhizosphere: What are Rhizosphere and Rhizoplane? Rhizosphere refers to the region in the vicinity of roots in which the maximum microbial growth and activities operate (Fig. 34.1). The term ‘rhizosphere’ was first used by Lorenz. Hiltner a German scientist, in […]
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