Agribusiness Merger Moratorium and Antitrust Review Act of 1999

Agribusiness Merger Moratorium and Antitrust Review Act of 1999 - Title I: Moratorium on Large Agribusiness Mergers - Prohibits (with waiver authority by the Attorney General) certain large dealers, processors, commission merchants, agricultural input suppliers, brokers, or operators of a warehouse from directly or indirectly acquiring voting securities or assets of other large agribusiness entities until the earlier of: (1) the effective date of comprehensive legislation addressing the problem of market concentration in the agriculture sector; or (2) 18 months after enactment of this Act.

Title II: Agriculture Concentration and Market Power Review Commission - Establishes the Agriculture Concentration and Market Power Review Commission to: (1) study U.S. agricultural economy concentration; and (2) make recommendations on changes to antitrust and other laws to maintain a competitive marketplace for smaller producers and their communities.

Authorizes appropriations.