Upload NowThis article throws light upon the three main biological agents responsible for disintegration and decomposition of rocks and minerals. The biological agents are: 1. Man and Animal 2. Roots of Higher Plants 3. Micro-Organisms. Biological Agent # 1. Man and Animal: The action of human being in the disintegration of rocks is well recognised as […]
Disintegration and Decomposition of Rocks and Minerals
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Soil Colour: Factors, Determination and Its Implication
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After reading this article you will learn about:- 1. Factors Affecting Soil Colour 2. Determination of Soil Colour 3. Implication. Factors Affecting Soil Colour: There are various factors or soil constituents that influence the soil colour which are as follows: (i) Organic Matter: Soils containing high amount of organic matter show the colour variation from […]
Influence of Soil Temperature on Plant Growth and Nutrition
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After reading this article you will learn about the influence of soil temperature on plant growth and nutrition. 1. Germination of Seeds: The germination of the different seeds is greatly influenced by the variation in soil temperature. If the temperature is too low, the seed fails to germinate or germinate at a slow rate. On […]