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- Title
The fate of nitrogen in grain cropping systems: a meta-analysis of <sup>15</sup>N field experiments.
- Authors
Gardner, Jennifer B.; Drinkwater, Laurie E.
- Abstract
The article presents a meta-analysis on nitrogen (N) field experiments in grain cropping agroecosystems. The study compared management practices which changes the additions of inorganic fertilizers including the application or reduction of N fertilizer rates. It reveals that practices with the purpose of increasing the uptake of commercial fertilizer to crops had lesser effect on total 15N recovery than practices that involves re-coupled cycling of N and carbon (C).
- Subjects
NITROGEN fertilizers; CROP management; META-analysis; EXPERIMENTAL agriculture; CARBON; FERTILIZER application
- Publication
Ecological Applications, 2009, Vol 19, Issue 8, p2167
- ISSN
1051-0761
- Publication type
Article
- DOI
10.1890/08-1122.1