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Mixed Red and Black Soils in Karnataka

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1. These soils usually occur on gently undulating plain or complex geological material comprising of gneisses. This type of soil occupies areas in parts of Bijapur, Dharwad, Belgaum, Raichur, Bellary and Chitradurga districts.

2. Usually red soils resemble the red sandy soils of midland region in physicchemical properties and black soils resemble the medium and deep black soils in physicchemical characteristics.

3. These soils are classified under the orders Alfisols, Vertisols and Entisols with sub-orders Ustalfs, Usterts and Orthents. The soils are productive, when moisture is not limiting.

4. Care is essential for developing these lands for irrigation. Provision of drainage especially in the low lying areas is essential while, planning for irrigation.

5. Use of good quality irrigation water and its judicious application, application of liberal quantities of organic manures, and careful management are recommended.

6. The measures suggested for problematic areas in deep black soils are also applicable to the problematic areas like saline, alkaline and water logged areas under these soils.

File Courtesy: 
ZARS, Mandya
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