Nitrogen dynamics in grain crop and legume pasture systems under elevated atmospheric carbon dioxide concentration: A meta‐analysis

Understanding nitrogen (N) removal and replenishment is crucial to crop sustainability under rising atmospheric carbon dioxide concentration ([CO₂]). While a significant portion of N is removed in grains, the soil N taken from agroecosystems can be replenished by fertilizer application and N₂ fixati...

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Veröffentlicht in:	Global change biology 2012-09, Vol.18 (9), p.2853-2859
Hauptverfasser:	Lam, Shu K, Chen, Deli, Norton, Rob, Armstrong, Roger, Mosier, Arvin R
Format:	Artikel
Sprache:	eng
Schlagworte:	agroecosystems Animal and plant ecology Animal, plant and microbial ecology Biological and medical sciences Carbon dioxide carbon dioxide enrichment Climate change Crop science cropping systems crops Elevated [CO2] fertilizer application fertilizer N recovery Fertilizers Fundamental and applied biological sciences. Psychology General aspects grain N removal grains Legumes Meta-analysis N2O emission Nitrogen nitrogen fertilizers nitrogen fixation nitrogenase nitrous oxide pastures residue C : N ratio soil symbiotic N2 fixation
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