The concentration of salt is measured in degrees. Sea water has a concentration of about 10degrees.

The soil is so saline that nothing can grow on the land. If there is a good monsoon like in 2003 it is possible to grow one crop and that one crop keeps them from starvation.

SALT PRODUCTION
Village aoo is situated in Sambar Salt Lake, the largest salt lake in Asia indeed the world.. The village is surrounded on three sides by saline soil and water from the village handpump is salty and brackish. Sambar Salt Lake is one of the major suppliers of iodised salt to the country through its salt pans providing the only steady source of employment to aoo and villages nearby.