10 Jul 2015

Review of greenhouse gas emissions from crop production systems and fertilizer management effects

C.S. Snyder, T.W. Bruulsema, T.L. Jensen, P.E. Fixen

Fertilizer nitrogen (N) use is expanding globally to satisfy food, fiber, and fuel demands of a growing world population. Fertilizer consumers are being asked to improve N use efficiency through better management in their fields, to protect water resources and to minimize greenhouse gas (GHG) emissions, while sustaining soil resources and providing a healthy economy. A review of the available science on the effects of N source, rate, timing, and placement, in combination with other cropping and tillage practices, on GHG emissions was conducted.

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