when 2 or more workers are on the same position as farmers, they take wheat faster, but when they want to put an other seed of wheat in the same case, one should stay and the other move forward because :
if 5 workers for wheat, they all start at the same place, they all finish at the same time, they all plants at the same time even if only one is needed
if 5 workers for wheat, they all start at the same place, they all finish at the same time, they all plants at the same time even if only one is needed