Ag News: Syngenta Buys Valagro and Haze/Smoke Slow Raisin DryingAg News: Syngenta Buys Valagro and Haze/Smoke Slow Raisin DryingSyngenta announces the acquisition of Valagro, a leading Biologicals company, by its business unit Syngenta Crop Protection.AgInfo.netAgInfo.net