What do medium and large farmers do with their earnings from the surplus farm produce

What do medium and large farmers do with their earnings from the surplus farm produce? 

Answer: Medium and large farmers sell the surplus produce to market and have good earnings.  A part of the earnings from surplus farm produce is saved

and kept for buying capital for the next season.

They use their earning to buy tractor or set up shops.  A part of the earning is used in lending to small farmers who need loan.