Dutch health institute: Agriculture Min.'s nitrogen claims are not scientifically proven - Gene-edited soil bacteria could provide third source of nitrogen for corn production - New research could simplify genetic transfer of nitrogen fixation to food crops - Ban on using liquid nitrogen when serving food in Karnataka - DMDK urges TN govt to ban use of liquid nitrogen in food - Fiat to monitor use of liquid nitrogen in food items - Legume model plant study clarifies underlying mechanism of iron acquisition in response to nitrogen