Gattu make it 5 feet - keep grass on gattu for kalupu and water - 10% lake

 https://youtu.be/2qVOz1W9210?t=2400

using Grass as desiccant that absorbs water

silica gel 

Other common desiccants include activated charcoal, calcium sulfate, calcium chloride, and molecular sieves (typically, zeolites). 

https://en.wikipedia.org/wiki/Desiccant