A historic proposal of relief money was unveiled Monday for farmers impacted by widespread flooding over the past few weeks. State senate leaders are proposing $20 million, the most financial assistance that Massachusetts Senate President Karen Spilka said she can ever recall to help local farmers who have suffered unfathomable damage in recent weeks. “We have no reserves. There’s no reserves to absorb anything of this magnitude, so just to make payroll, we have to find some money somewhere,” said David Fisher, owner of Natural Roots Farm. Devastation and destruction to crops, farmland, and machinery has left Fisher, like many farmers across the area, looking for answers.