The following points highlight the three main types of salt affected soils. The types are: 1. Saline Soil 2. Sodic Soils 3. Saline-Sodic Soil. Type # 1. Saline Soil: Soil that contains sufficient soluble salts to impair its productivity is known as saline soils, also called as Solonchak. These salts are mainly of chlorides and sulphates of sodium, calcium and [...]
In the arid region with low and erratic rainfall, high temperature and unfavourable soil conditions pose severe restrictions on the use of land for arable cropping. In the rainfall zone of less than 250 mm, silvi-pasture, pasture, horti-pastoral and silviculture rather than arable cropping has been regarded as best systems for soil management and better production. In the rainfall zone [...]
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 with one aluminum octahedral layer [...]