Question: The red color of red soil is due to ________.
Options:
Ferric Oxide
Phosphor Oxide
Silicon Oxide
Potassium Oxide
-The red color of red soil is primarily due to the presence of Ferric Oxide (Fe2O3).
-Ferric Oxide imparts a red color to the soil when it is in an oxidized state.
-Red soils are usually found in regions with a warm, temperate, and moist climate.
-These soils are commonly found in parts of India, such as Tamil Nadu, Karnataka, Andhra Pradesh, and parts of Odisha and Chhattisgarh.
-Red soils are generally poor in nitrogen, phosphorus, and organic matter but rich in potassium.
🔴Additional Information:
-Soil Formation
-Red soils are formed by the weathering of ancient crystalline and metamorphic rocks.
-The process of laterization is responsible for the formation of red soils.
-These soils are formed under conditions of high temperature and heavy rainfall with alternating wet and dry periods.
-Soil Characteristics
-Red soils are usually sandy to loamy in texture.
-They have a low water-holding capacity and are porous and friable.
-These soils are acidic in nature, with a pH ranging from 6.0 to 6.8.
-Soil Management
-To improve the fertility of red soils, organic manure and fertilizers are often added.
-Crop rotation and the use of legumes can help in maintaining the nutrient balance of the soil.
-Proper irrigation techniques are essential to manage the water retention in red soils.