Which of the following can be used to treat alkali soils?
1. Pyrite
2. Gypsusm
3. Organic Manure
Select the correct option from the codes given below:

Answer: [C] 1, 2 & 3

All viz. Pyrite, Gypsum and Organic Manure can be used for reclaimation of Alkali soil.

This question is a part of GKToday's Integrated IAS General Studies Module