Upload NowThis article throws light upon the three reactions by which phosphate fixation takes place in soils. The reactions are: 1. Adsorption 2. Isomorphous Replacement 3. Double Decomposition. Reaction # 1. Adsorption: Adsorption reactions may be classified into two types – (a) physical—phosphate held on the soil solid surface and (b) chemical adsorption—retained phosphate penetrates more […]
Phosphate Fixation in Soil: 3 Reactions | Anion Fixation
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Potassium and Ammonium Fixation in Soils | Cation Fixation
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After reading this article you will learn about the potassium and ammonium fixation in soils. Cation fixation in soils occurs when exchangeable or water soluble cations are converted to a form that cannot be readily extracted with a neutral solution of a salt. Potassium (K+) and ammonium (NH4+) ions have been primarily involved in such […]
6 Main Factors Affecting Phosphate Fixation in Soil
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This article throws light upon the six main factors that affect phosphate fixation in soil. The factors are: 1. Nature and Amount of Soil Components 2. pH 3. Other Ions 4. Organic Matter 5. Temperature 6. Over Liming. Factor # 1. Nature and Amount of Soil Components: Adsorption and desorption reactions are affected by the […]