Ammann C., Spirig C., Leifeld J., Neftel A. Assessment of the nitrogen and carbon budget of two managed grassland fields. Agriculture, Ecosystems & Environment, 133, 2009, 150-162. Digital Object Identifier (DOI): https://doi.org/10.1016/j.agee.2009.05.006 Publication-ID (Web Code): 20536 Copy Link Sending by e-mail