Retraction: Iron application improves yield, economic returns and grain-Fe concentration of mungbean

The PLOS ONE Editors retract this article [1, 2] because it was identified as one of a series of submissions for which we have concerns about authorship, competing interests, and peer review. We regret that the issues were not addressed prior to the article’s publication.

SF, MH, and SA did not agree with the retraction. AM, WAM, NM, and MSR either did not respond directly or could not be reached.