This article throws light upon the six main types of clay minerals. The types are: 1. Kaolinite 2. Smectite Group 3. Illite Group 4. Vermiculite 5. Chlorite 6. Allophanes. Type # 1. Kaolinite: The most prominent member of the 1: 1 type of clay minerals is kaolinite, in which one silica tetrahedral layer is joined […]
6 Main Types of Clay Minerals
Acid Sulphate Soils: Formation, Classification and Management
After reading this article you will learn about:- 1. Introduction to Acid Sulphate Soils 2. Formation of Acid Sulphate Soils 3. Classification and Characteristics 4. Management. Introduction to Acid Sulphate Soils: Soil with sufficient sulphides (FeS2 and others) to become strongly acidic when drained and aerated enough for cultivation are termed acid sulphate soils or […]
Saline-Alkali (Sodic) Soils: Definition, Classification and Distribution
After reading this article you will learn about:- 1. Definition of Saline-Alkali (Sodic) Soils 2. Classification of Saline-Alkali (Sodic) Soils 3. Chemical Reactions 4. Distribution 5. Appraisal. Definition of Saline-Alkali (Sodic) Soils: Saline (Solonchak, Russian Term) Soil: Saline soils defined as a soil having a conductivity of the saturation extract greater than 4 dSm-1 (0.4 […]