How to rescue my lime tree?

[owenwong84]

2 days ago, i poured too much baking soda powder on the soil.
Only after that i googled too much of salt will disfunction the roots to absorb water.

Now my lime leaf wilt and breaking.
How to rescue back?
Here is my before and after.

 

[Chuck]

About all you can do is to replace the soil, water it heavily and wait.