If you are already familiar with the game with 4 players, here are the basics of playing with 5 players.
Preparation:
Add one of the two extra jokers that you can find in the pack.
The dealer receives an additional “Farmland” (four red back colored cards, three other cards to the remaining players).
Equally distribute (6 per player) the white back colored cards, two of them will remain. The dealer looks at these cards and decides who to give them to. He may keep one for himself. He can’t give them both to one opponent.
In the player's Well there are 5 cards instead of 6
Scores:
The first player to collect the well earns 40 points, the second earns 30 points, 20 points to the third and 10 points are given to the fourth. The fifth player doesn’t receive any points.