After reading this article you will learn about:- 1. Methods of Expressing Soil Reaction 2. Ranges in Soil Reaction 3. Factors 4. Influence on Nutrient Availability and Plant Growth 5. Influence on the Activity of Microorganisms. Methods of Expressing Soil Reaction: Since soil reaction is the relationship between the concentration of H+ and OH ions in the soil suspension which [...]
This article provides notes on the buffering of soil. Buffering refers to resistance to a change in pH. If 1 ml of 0.01 N HCl is added to 1 litre of pure distilled water of Neutral pH; the resulting solution would have a pH of about 5.0. Now, on the other hand if the small amount of acid is added [...]
After reading this article you will learn about:- 1. Definition of Soil Acidity 2. Source of Soil Acidity 3. Kinds 4. Problems 5. Amelioration. Definition of Soil Acidity: An acid is a substance that tends to give up protons (hydrogen ions) to some other substance. Conversely, a base in any substance that tends to accept protons (hydrogen ions). Soil acidity [...]