In this article we will discuss about:- 1. Introduction to Cation Exchange 2. Cation Exchange Capacity (C.E.C.) of Soils 3. Factors Affecting Cation Exchange Capacity 4. Importance. Introduction to Cation Exchange: Cation exchange is a reversible process in which the cations are exchanged or interchanged between the solid and liquid phases or between the solid and solid phases when they [...]
In this article we will discuss about:- 1. Meaning of Colloid 2. Properties of Colloid 3. Types 4. Soil Colloids. Meaning of Colloid: Graham (1861) divided the soluble substances into two classes—crystalloid and colloids depending on their power to diffuse through vegetable and animal membranes. Crystalline substances such as sugar, salt and urea which in solution diffused rapidly through animal [...]
In this article we will discuss about:- 1. Types of Soil Reaction 2. Soil pH 3. Factors Controlling Soil Reaction 4. Influence. Types of Soil Reaction: One of the outstanding physiological characteristics of the soil solution is its reaction. Soil reaction influences many physical and chemical properties of soil. The growth and activity of plant and soil organisms depend on [...]