After reading this article you will learn about:- 1. Characteristics of Saline and Alkali Soils 2. Formation of Saline and Alkali Soils 3. Effect on the Growth of Plants 4. Control. Characteristics of Saline and Alkali Soils: Saline soils contain excessive amounts of neutral salts like chloride and sulphate of sodium, calcium and magnesium, and less than 15 per cent [...]
After reading this article you will learn about:- 1. Formation of Acid Soils 2. Characteristics of Acid Soils 3. Control 4. Lime Requirement. Formation of Acid Soils: Soil microorganisms and plant roots respire to form carbon dioxide, which is also produced when organic matter decomposes. This carbon dioxide reacts with water to form carbonic acid that reacts with the insoluble [...]
After reading this article you will learn about the beneficial and harmful effects of soil micro-organisms. Beneficial Effects of Soil Micro-Organisms: Plant and animal residues are broken down by the soil fauna and flora which prevent unwanted accumulation of fresh organic material. Secondary complex organic forms of nutrients are converted to the simple inorganic forms. The stability of soil aggregates [...]