This article throws light upon the nine main factors affecting soil structure. The factors are: 1. Climate 2. Organic Matter 3. Adsorbed Cations 4. Tillage 5. Type of Vegetation 6. Plant Roots 7. Soil Organisms 8. Manurial Practices and Crop Rotation 9. Alternate Wetting and Drying. Factor # 1. Climate: Climate influences the degree of aggregation which in turn affects [...]
After reading this article you will learn about the physical, mineralogical and chemical nature of soil separates. Physical Nature of Soil Separates: Soil separates consist of stones, gravels, sands, silts and clays. Their nature is described briefly. (i) Stone, Gravel and Sands (Coarse Fragments): Stones and gravels range in size from 2 mm upward and may be almost rounded, irregularly [...]
After reading this article you will learn about the relationship between porosity and density of soil. % soil space = bulk density/particle density Since, % pore space + % soil space = 100 or % pore space 100 - % solid space or % pore space = 100 – bulk density/particle density × 100 % pore space = 100 (1 [...]