Upload NowThis article throws light upon the five main functions of micro-organisms present in soil. 1. Organic matter decomposition (By this process, plant and animal residues are broken down by micro-organisms into more simpler compounds, other slimy compounds, other slimy intermediate products organic acids and more resistant compound humus. All these products combinedly influence the physical […]
5 Main Functions of Micro-Organisms in Soil
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Observing and Examining Micro-Organisms (Microbes)
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After reading this article you will learn about observing and examining micro-organisms. Observation of Microbes in Hanging Drop: This method is used for the study of motility, germination or fission of micro-organisms which is not possible when they are killed and fixed in stained preparations. For this observation the following are needed: 1. A depression […]
Growth of Micro-Organisms: 4 Factors
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This article throws light upon the four important physical factors that affect the growth of micro-organisms. The factors are: 1. Temperature 2. Gaseous Requirements 3. Hydrogen Ion Concentration 4. Miscellaneous Physical Requirements. Factor # 1. Temperature: Temperature is the most important factor than determines the rates of growth, multiplication, survival, and death of all living […]