Soils of India

1. Laterite soil: a soil left behind by heavy leaching in hot, very rainy areas, used for cashew, tea and coffee with manure.
2. Red and yellow soil: a soil coloured red by iron in old crystalline rocks, which looks yellow when hydrated.
3. Saline soil (usar): a soil with too much sodium, potassium and magnesium, improved by adding gypsum.
4. Black soil (regur): a clayey soil formed from Deccan lava rocks that holds moisture well and suits cotton.
5. Source: https://ncert.nic.in/textbook.php

Answer: Laterite soil

1. Statement 1 is correct: Alluvial soil: the most widespread soil of India, laid down by rivers across the northern plains (new alluvium is khadar, old alluvium is bhangar).
2. Statement 2 is correct: Saline soil (usar): a soil with too much sodium, potassium and magnesium, improved by adding gypsum.
3. Source: https://ncert.nic.in/textbook.php

Answer: Both 1 and 2

1. Statement 1 is correct: Laterite soil: a soil left behind by heavy leaching in hot, very rainy areas, used for cashew, tea and coffee with manure.
2. Statement 2 is correct: Black soil (regur): a clayey soil formed from Deccan lava rocks that holds moisture well and suits cotton.
3. Source: https://ncert.nic.in/textbook.php

Answer: Both 1 and 2