Erratum to: Acta Physiol Plant DOI 10.1007/s11738-008-0141-y

Two errors appeared in our article

We wish to add the following erratum:

Error 1. In the Materials and methods section, paragraph Nitrogen status and nitrogenase activity, to read “Two picks appear the first one corresponds to ethylene and the second one to acetylene” instead of

“Two picks appear the first one corresponds to ethylene and the second one to ethylene”

Error 2. In the reference section, Galvez et al. (2005) has to read: 2251–2261 instead of 2561.