Upload NowAfter reading this article you will learn about phosphate retention and fixation in soil. Kaolinite has a strong affinity for phosphate anions. Phosphate anions can be attracted to soil constituent with the force strong enough to make them insoluble and difficulty available to plant roots. Tisdale and Nelson (1975) have differentiated phosphate retention from phosphate […]
Phosphate Retention and Fixation in Soil
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pH of Soil and Factors Affecting it
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After reading this article you will learn about the pH of soil and factors affecting it. pH of Soil: When soils contain more hydrogen ions than hydroxyl ions, they are acidic in reaction. If they contain more hydroxyl ions than hydrogen ions, they are alkaline in reaction. If they contain equal number of hydrogen and […]
Buffering of Soils
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After reading this article you will learn about the buffering of soils. Buffering of soils is their resistance against any change in the concentration of hydrogen or other cation in the soil solution. For example, the clay micelle is almost completely saturated with hydrogen ions in strongly acid soils which also contain some in the […]