About 10,000 striking workers at Deere & Co. will vote again on Wednesday to approve or reject a modified contract proposed by the company, as the longest strike in more than three decades forces the world’s largest farm equipment maker to consider other options. Deere has not publicly commented on changes to its second contract offer, which was rejected earlier this month, but the United Auto Workers (UAW) union, which represents the striking workers, said on Friday the company had made a “last, best, and final offer” that included “modest modifications,” without elaborating. Workers at facilities in Illinois, Iowa, and Kansas have been on strike since the middle of October after having turned down Deere’s attempts to tie them down to a new deal, prompting the company to say “all options are on the table.” The workers are demanding better pay from Deere, which has forecast a record net income …