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JEFFERSON CITY, Mo. (AP) - Opposition is starting to form around a ballot measure that would enshrine a "right to farm" in Missouri's Constitution.

A former Democratic state senator has started a political action committee to fight the ballot measure. Wes Shoemyer says the amendment would take away the people's ability to use the initiative petition process to regulate agriculture.

A coalition of farming and livestock associations, known as Missouri Farmers Care, argues the amendment is necessary to protect farmers from groups that use the ballot box to restrict farming and ranching.

Missouri lawmakers referred the measure to the ballot last year. It will appear on the November ballot unless Gov. Jay Nixon moves up the date. North Dakota voters approved similar constitutional protection in 2012.

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