Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=52650#.VJzPMcCAM4 Author(s) Jaap Jan Schröder Affiliation(s) Plant Sciences Group, Wageningen University and Research Centre, Wageningen, The Netherlands . ABSTRACT Our attitude towards mineral nitrogen (N) fertilizers is ambivalent. N fertilizers have on one hand increased our supply of food, feed and other bio-based raw materials tremendously and also improved the use efficiency of land and labor, but have on the other hand a negative impact on the quality of the environment and contributed to the depletion of fossil fuel reserves. This awareness has resulted in strong pleas to spend much more attention to the recycling o...
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