Alluvial soil and Black soil: Composition and suitable crops
Alluvial and Black soils form India's most agriculturally productive arable land tracts.
Characteristics and crop suitability:
- Alluvial soil: Formed by silt and sediment deposition by Himalayan river systems (Indus, Ganga, Brahmaputra); rich in potash and phosphoric acid, sandy loam to clayey in texture; ideal for wheat, paddy, sugarcane, and pulses.
- Black soil (Regur): Formed by the weathering of Deccan basalt trap volcanic rocks; clayey texture rich in montmorillonite minerals; exhibits exceptional moisture retention, self-ploughing cracks upon drying; ideal for cotton, soybean, sorghum, and groundnut.
Red and Yellow soil and Laterite soil: Features and crops
Red and Laterite soils require careful soil moisture and fertility management:
Characteristics and crop suitability:
- Red and Yellow soil: Developed on crystalline igneous metamorphic rocks in low-rainfall areas of the eastern and southern Deccan plateau; reddish color from ferric oxide diffusion, porous and friable; suitable for millets, pulses, oilseeds, and groundnut with irrigation.
- Laterite soil: Formed under high temperatures and intense seasonal tropical monsoon leaching; highly weathered, acidic, and deficient in organic matter, nitrogen, and phosphate; ideal for plantation crops including cashew nuts, rubber, tea, coffee, and coconut.
Soil testing and Soil Health Card nutrient management
To sustain soil fertility and prevent nutrient imbalances, farmers should regularly test their agricultural soil through the central Soil Health Card portal (soilhealth.dac.gov.in). Soil testing establishes baseline soil pH, electrical conductivity (salinity), organic carbon percentage, and macro-micro nutrient status, enabling targeted fertilizer application.
Official source
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Soil Health Card Portal, Ministry of Agriculture ↗Related on KisanPe
Common questions
Which are the four major types of soil found in India?
The four major types of soil in India are Alluvial soil, Black soil (Regur), Red and Yellow soil, and Laterite soil.
Why is Black soil ideal for cotton cultivation?
Black soil is rich in fine clay with high moisture retention and mineral content, providing ideal moisture during vegetative cotton growth.
How can a farmer check the nutrient levels of their farm soil?
Farmers can have soil samples tested at local government soil testing labs or through the Soil Health Card scheme (soilhealth.dac.gov.in).
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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