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Option 2 : Cotton, Maize
The correct answer is Cotton, Maize.
- Cotton and Maize are the crops that are raised from the mixed red and black soil.
- The red soil is developed from the igneous rock and has got red colour due to the diffusion of Iron crystalline.
- These soils are generally poor in nitrogen, phosphorous and humus but respond well to fertilizers.
- The black soil, also known as Regur soil, has got volcanic origin. Chemically, the black soils are rich in lime, iron, magnesia and alumina.
- They also contain potash but they lack in phosphorous, nitrogen and organic matter.
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