https://phys.org/news/2018-05-bayer-9b-ag-business-monsanto.html > Bayer's $57 billion takeover of Monsanto has been watched by competitors and environmental groups, which are fearful that the number of players in the business of selling seeds and pesticides will shrink further. Explore further: Monsanto shares jump on report of US approval of Bayer deal > © 2018 The Associated Press. All rights reserved.