Chisel plows, which theoretically result in minimal soil disturbance, are commonly used as part of a conservation tillage system. (sciencedaily.com)
We did not find to date any published studies which compared the effects of type of tillage system and nitrogen fertilizer placement method on nitric oxide emissions. (usask.ca)
Blanco is now testing these hypotheses in three additional long - term experiments in Nebraska that encompass a wider range of tillage practices and cropping systems. (sciencedaily.com)