Drop in the ocean.

It cuts the grass and empties the lawnmower bag into the big metal box. It does this until the big metal box is full of grass clippings (about 1/2 cubic yard).  It uses the tractor to move the big metal box to the crop area where it spreads the grass clippings onto the rows as mulch.  It repeats this until all rows are mulched.  It does this or it gets the hose.